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Finding the Fourth Proportional to 89,006.80, 133,801.80 and 62,892.40

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Solution

The fourth proportional to 89,006.80, 133,801.80 and 62,892.40 is: 94,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,006.80 : 133,801.80 = 62,892.40 : x
  2. Step 2: Convert to fraction form
    89,006.80/133,801.80 = 62,892.40/x
  3. Step 3: Cross multiply
    89,006.80x = 133,801.80 × 62,892.40
  4. Step 4: Simplify right side
    89,006.80x = 8,415,116,326.32
  5. Step 5: Solve for x
    x = 8,415,116,326.32/89,006.80
  6. Step 6: Final answer
    x = 94,544.65

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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.