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Finding the Fourth Proportional to 124,755.93, 187,208.01 and 45,925.52

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Solution

The fourth proportional to 124,755.93, 187,208.01 and 45,925.52 is: 68,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,755.93 : 187,208.01 = 45,925.52 : x
  2. Step 2: Convert to fraction form
    124,755.93/187,208.01 = 45,925.52/x
  3. Step 3: Cross multiply
    124,755.93x = 187,208.01 × 45,925.52
  4. Step 4: Simplify right side
    124,755.93x = 8,597,624,271.38
  5. Step 5: Solve for x
    x = 8,597,624,271.38/124,755.93
  6. Step 6: Final answer
    x = 68,915.56

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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.