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Finding the Fourth Proportional to 170,901.20, 256,351.80 and 170,901.20

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Solution

The fourth proportional to 170,901.20, 256,351.80 and 170,901.20 is: 256,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,901.20 : 256,351.80 = 170,901.20 : x
  2. Step 2: Convert to fraction form
    170,901.20/256,351.80 = 170,901.20/x
  3. Step 3: Cross multiply
    170,901.20x = 256,351.80 × 170,901.20
  4. Step 4: Simplify right side
    170,901.20x = 43,810,830,242.16
  5. Step 5: Solve for x
    x = 43,810,830,242.16/170,901.20
  6. Step 6: Final answer
    x = 256,351.80

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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.