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Finding the Fourth Proportional to 123,737.06, 185,632.86 and 52,655.90

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Solution

The fourth proportional to 123,737.06, 185,632.86 and 52,655.90 is: 78,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,737.06 : 185,632.86 = 52,655.90 : x
  2. Step 2: Convert to fraction form
    123,737.06/185,632.86 = 52,655.90/x
  3. Step 3: Cross multiply
    123,737.06x = 185,632.86 × 52,655.90
  4. Step 4: Simplify right side
    123,737.06x = 9,774,665,312.87
  5. Step 5: Solve for x
    x = 9,774,665,312.87/123,737.06
  6. Step 6: Final answer
    x = 78,995.45

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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.