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Finding the Fourth Proportional to 123,480.42, 185,264.98 and 48,559.08

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Solution

The fourth proportional to 123,480.42, 185,264.98 and 48,559.08 is: 72,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,480.42 : 185,264.98 = 48,559.08 : x
  2. Step 2: Convert to fraction form
    123,480.42/185,264.98 = 48,559.08/x
  3. Step 3: Cross multiply
    123,480.42x = 185,264.98 × 48,559.08
  4. Step 4: Simplify right side
    123,480.42x = 8,996,296,985.02
  5. Step 5: Solve for x
    x = 8,996,296,985.02/123,480.42
  6. Step 6: Final answer
    x = 72,856.06

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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.