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Finding the Fourth Proportional to 145,957.80, 219,023.17 and 61,713.36

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Solution

The fourth proportional to 145,957.80, 219,023.17 and 61,713.36 is: 92,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,957.80 : 219,023.17 = 61,713.36 : x
  2. Step 2: Convert to fraction form
    145,957.80/219,023.17 = 61,713.36/x
  3. Step 3: Cross multiply
    145,957.80x = 219,023.17 × 61,713.36
  4. Step 4: Simplify right side
    145,957.80x = 13,516,655,738.55
  5. Step 5: Solve for x
    x = 13,516,655,738.55/145,957.80
  6. Step 6: Final answer
    x = 92,606.60

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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.