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Finding the Fourth Proportional to 170,762.30, 256,143.45 and 92,030.30

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Solution

The fourth proportional to 170,762.30, 256,143.45 and 92,030.30 is: 138,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,762.30 : 256,143.45 = 92,030.30 : x
  2. Step 2: Convert to fraction form
    170,762.30/256,143.45 = 92,030.30/x
  3. Step 3: Cross multiply
    170,762.30x = 256,143.45 × 92,030.30
  4. Step 4: Simplify right side
    170,762.30x = 23,572,958,546.54
  5. Step 5: Solve for x
    x = 23,572,958,546.54/170,762.30
  6. Step 6: Final answer
    x = 138,045.45

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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.