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Finding the Fourth Proportional to 123,808.80, 185,713.20 and 44,925.60

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Solution

The fourth proportional to 123,808.80, 185,713.20 and 44,925.60 is: 67,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,808.80 : 185,713.20 = 44,925.60 : x
  2. Step 2: Convert to fraction form
    123,808.80/185,713.20 = 44,925.60/x
  3. Step 3: Cross multiply
    123,808.80x = 185,713.20 × 44,925.60
  4. Step 4: Simplify right side
    123,808.80x = 8,343,276,937.92
  5. Step 5: Solve for x
    x = 8,343,276,937.92/123,808.80
  6. Step 6: Final answer
    x = 67,388.40

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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.