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Finding the Fourth Proportional to 148,472.64, 222,674.88 and 88,518.08

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Solution

The fourth proportional to 148,472.64, 222,674.88 and 88,518.08 is: 132,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,472.64 : 222,674.88 = 88,518.08 : x
  2. Step 2: Convert to fraction form
    148,472.64/222,674.88 = 88,518.08/x
  3. Step 3: Cross multiply
    148,472.64x = 222,674.88 × 88,518.08
  4. Step 4: Simplify right side
    148,472.64x = 19,710,752,841.83
  5. Step 5: Solve for x
    x = 19,710,752,841.83/148,472.64
  6. Step 6: Final answer
    x = 132,756.80

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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.