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Finding the Fourth Proportional to 71,150.55, 98,201.55 and 45,689.10

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Solution

The fourth proportional to 71,150.55, 98,201.55 and 45,689.10 is: 63,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,150.55 : 98,201.55 = 45,689.10 : x
  2. Step 2: Convert to fraction form
    71,150.55/98,201.55 = 45,689.10/x
  3. Step 3: Cross multiply
    71,150.55x = 98,201.55 × 45,689.10
  4. Step 4: Simplify right side
    71,150.55x = 4,486,740,438.11
  5. Step 5: Solve for x
    x = 4,486,740,438.11/71,150.55
  6. Step 6: Final answer
    x = 63,059.81

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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.