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Finding the Fourth Proportional to 123,718.77, 185,578.05 and 44,832.87

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Solution

The fourth proportional to 123,718.77, 185,578.05 and 44,832.87 is: 67,249.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,718.77 : 185,578.05 = 44,832.87 : x
  2. Step 2: Convert to fraction form
    123,718.77/185,578.05 = 44,832.87/x
  3. Step 3: Cross multiply
    123,718.77x = 185,578.05 × 44,832.87
  4. Step 4: Simplify right side
    123,718.77x = 8,319,996,590.50
  5. Step 5: Solve for x
    x = 8,319,996,590.50/123,718.77
  6. Step 6: Final answer
    x = 67,249.27

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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.