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Finding the Fourth Proportional to 123,776.88, 185,665.86 and 44,860.20

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Solution

The fourth proportional to 123,776.88, 185,665.86 and 44,860.20 is: 67,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,776.88 : 185,665.86 = 44,860.20 : x
  2. Step 2: Convert to fraction form
    123,776.88/185,665.86 = 44,860.20/x
  3. Step 3: Cross multiply
    123,776.88x = 185,665.86 × 44,860.20
  4. Step 4: Simplify right side
    123,776.88x = 8,329,007,612.77
  5. Step 5: Solve for x
    x = 8,329,007,612.77/123,776.88
  6. Step 6: Final answer
    x = 67,290.50

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1.5x scale

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.