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Finding the Fourth Proportional to 88,962.40, 133,428.72 and 39,029.11

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Solution

The fourth proportional to 88,962.40, 133,428.72 and 39,029.11 is: 58,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,962.40 : 133,428.72 = 39,029.11 : x
  2. Step 2: Convert to fraction form
    88,962.40/133,428.72 = 39,029.11/x
  3. Step 3: Cross multiply
    88,962.40x = 133,428.72 × 39,029.11
  4. Step 4: Simplify right side
    88,962.40x = 5,207,604,190.04
  5. Step 5: Solve for x
    x = 5,207,604,190.04/88,962.40
  6. Step 6: Final answer
    x = 58,537.14

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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.