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Finding the Fourth Proportional to 123,410.08, 185,115.12 and 29,915.83

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Solution

The fourth proportional to 123,410.08, 185,115.12 and 29,915.83 is: 44,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,410.08 : 185,115.12 = 29,915.83 : x
  2. Step 2: Convert to fraction form
    123,410.08/185,115.12 = 29,915.83/x
  3. Step 3: Cross multiply
    123,410.08x = 185,115.12 × 29,915.83
  4. Step 4: Simplify right side
    123,410.08x = 5,537,871,922.77
  5. Step 5: Solve for x
    x = 5,537,871,922.77/123,410.08
  6. Step 6: Final answer
    x = 44,873.74

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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.