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Finding the Fourth Proportional to 148,894.52, 205,491.90 and 88,465.65

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Solution

The fourth proportional to 148,894.52, 205,491.90 and 88,465.65 is: 122,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,894.52 : 205,491.90 = 88,465.65 : x
  2. Step 2: Convert to fraction form
    148,894.52/205,491.90 = 88,465.65/x
  3. Step 3: Cross multiply
    148,894.52x = 205,491.90 × 88,465.65
  4. Step 4: Simplify right side
    148,894.52x = 18,178,974,503.24
  5. Step 5: Solve for x
    x = 18,178,974,503.24/148,894.52
  6. Step 6: Final answer
    x = 122,092.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.