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Finding the Fourth Proportional to 88,720.71, 132,970.31 and 44,360.15

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Solution

The fourth proportional to 88,720.71, 132,970.31 and 44,360.15 is: 66,484.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,720.71 : 132,970.31 = 44,360.15 : x
  2. Step 2: Convert to fraction form
    88,720.71/132,970.31 = 44,360.15/x
  3. Step 3: Cross multiply
    88,720.71x = 132,970.31 × 44,360.15
  4. Step 4: Simplify right side
    88,720.71x = 5,898,582,010.49
  5. Step 5: Solve for x
    x = 5,898,582,010.49/88,720.71
  6. Step 6: Final answer
    x = 66,484.84

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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.