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Finding the Fourth Proportional to 170,752.80, 256,129.20 and 59,930.40

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Solution

The fourth proportional to 170,752.80, 256,129.20 and 59,930.40 is: 89,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,752.80 : 256,129.20 = 59,930.40 : x
  2. Step 2: Convert to fraction form
    170,752.80/256,129.20 = 59,930.40/x
  3. Step 3: Cross multiply
    170,752.80x = 256,129.20 × 59,930.40
  4. Step 4: Simplify right side
    170,752.80x = 15,349,925,407.68
  5. Step 5: Solve for x
    x = 15,349,925,407.68/170,752.80
  6. Step 6: Final answer
    x = 89,895.60

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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.