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Finding the Fourth Proportional to 107,052.50, 147,720.52 and 59,293.90

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Solution

The fourth proportional to 107,052.50, 147,720.52 and 59,293.90 is: 81,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,052.50 : 147,720.52 = 59,293.90 : x
  2. Step 2: Convert to fraction form
    107,052.50/147,720.52 = 59,293.90/x
  3. Step 3: Cross multiply
    107,052.50x = 147,720.52 × 59,293.90
  4. Step 4: Simplify right side
    107,052.50x = 8,758,925,740.83
  5. Step 5: Solve for x
    x = 8,758,925,740.83/107,052.50
  6. Step 6: Final answer
    x = 81,818.97

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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.