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Finding the Fourth Proportional to 123,646.40, 185,470 and 44,728.92

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Solution

The fourth proportional to 123,646.40, 185,470 and 44,728.92 is: 67,093.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,646.40 : 185,470 = 44,728.92 : x
  2. Step 2: Convert to fraction form
    123,646.40/185,470 = 44,728.92/x
  3. Step 3: Cross multiply
    123,646.40x = 185,470 × 44,728.92
  4. Step 4: Simplify right side
    123,646.40x = 8,295,872,792.40
  5. Step 5: Solve for x
    x = 8,295,872,792.40/123,646.40
  6. Step 6: Final answer
    x = 67,093.52

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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.