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Finding the Fourth Proportional to 88,999, 133,509.50 and 32,839.40

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Solution

The fourth proportional to 88,999, 133,509.50 and 32,839.40 is: 49,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,999 : 133,509.50 = 32,839.40 : x
  2. Step 2: Convert to fraction form
    88,999/133,509.50 = 32,839.40/x
  3. Step 3: Cross multiply
    88,999x = 133,509.50 × 32,839.40
  4. Step 4: Simplify right side
    88,999x = 4,384,371,874.30
  5. Step 5: Solve for x
    x = 4,384,371,874.30/88,999
  6. Step 6: Final answer
    x = 49,263.16

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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.