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Finding the Fourth Proportional to 88,932.40, 133,225.80 and 49,418.80

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Solution

The fourth proportional to 88,932.40, 133,225.80 and 49,418.80 is: 74,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,932.40 : 133,225.80 = 49,418.80 : x
  2. Step 2: Convert to fraction form
    88,932.40/133,225.80 = 49,418.80/x
  3. Step 3: Cross multiply
    88,932.40x = 133,225.80 × 49,418.80
  4. Step 4: Simplify right side
    88,932.40x = 6,583,859,165.04
  5. Step 5: Solve for x
    x = 6,583,859,165.04/88,932.40
  6. Step 6: Final answer
    x = 74,032.18

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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.