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Finding the Fourth Proportional to 91,800.80, 137,521.68 and 63,333.35

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Solution

The fourth proportional to 91,800.80, 137,521.68 and 63,333.35 is: 94,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,800.80 : 137,521.68 = 63,333.35 : x
  2. Step 2: Convert to fraction form
    91,800.80/137,521.68 = 63,333.35/x
  3. Step 3: Cross multiply
    91,800.80x = 137,521.68 × 63,333.35
  4. Step 4: Simplify right side
    91,800.80x = 8,709,708,692.03
  5. Step 5: Solve for x
    x = 8,709,708,692.03/91,800.80
  6. Step 6: Final answer
    x = 94,876.17

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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.