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Finding the Fourth Proportional to 74,300.70, 102,515.13 and 44,060.88

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Solution

The fourth proportional to 74,300.70, 102,515.13 and 44,060.88 is: 60,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,300.70 : 102,515.13 = 44,060.88 : x
  2. Step 2: Convert to fraction form
    74,300.70/102,515.13 = 44,060.88/x
  3. Step 3: Cross multiply
    74,300.70x = 102,515.13 × 44,060.88
  4. Step 4: Simplify right side
    74,300.70x = 4,516,906,841.11
  5. Step 5: Solve for x
    x = 4,516,906,841.11/74,300.70
  6. Step 6: Final answer
    x = 60,792.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.