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Finding the Fourth Proportional to 145,753.00, 218,658.89 and 61,513.25

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Solution

The fourth proportional to 145,753.00, 218,658.89 and 61,513.25 is: 92,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,753.00 : 218,658.89 = 61,513.25 : x
  2. Step 2: Convert to fraction form
    145,753.00/218,658.89 = 61,513.25/x
  3. Step 3: Cross multiply
    145,753.00x = 218,658.89 × 61,513.25
  4. Step 4: Simplify right side
    145,753.00x = 13,450,418,657.73
  5. Step 5: Solve for x
    x = 13,450,418,657.73/145,753.00
  6. Step 6: Final answer
    x = 92,282.28

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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.