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Finding the Fourth Proportional to 123,422.42, 185,008.99 and 48,595.08

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Solution

The fourth proportional to 123,422.42, 185,008.99 and 48,595.08 is: 72,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,422.42 : 185,008.99 = 48,595.08 : x
  2. Step 2: Convert to fraction form
    123,422.42/185,008.99 = 48,595.08/x
  3. Step 3: Cross multiply
    123,422.42x = 185,008.99 × 48,595.08
  4. Step 4: Simplify right side
    123,422.42x = 8,990,526,669.77
  5. Step 5: Solve for x
    x = 8,990,526,669.77/123,422.42
  6. Step 6: Final answer
    x = 72,843.55

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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.