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Finding the Fourth Proportional to 170,112,000.30, 255,168,000.45 and 170,112,000.30

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Solution

The fourth proportional to 170,112,000.30, 255,168,000.45 and 170,112,000.30 is: 255,168,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,112,000.30 : 255,168,000.45 = 170,112,000.30 : x
  2. Step 2: Convert to fraction form
    170,112,000.30/255,168,000.45 = 170,112,000.30/x
  3. Step 3: Cross multiply
    170,112,000.30x = 255,168,000.45 × 170,112,000.30
  4. Step 4: Simplify right side
    170,112,000.30x = 43,407,138,969,100,800
  5. Step 5: Solve for x
    x = 43,407,138,969,100,800/170,112,000.30
  6. Step 6: Final answer
    x = 255,168,000.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.