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Finding the Fourth Proportional to 503,966.05, 755,930.14 and 124,887.87

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Solution

The fourth proportional to 503,966.05, 755,930.14 and 124,887.87 is: 187,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,966.05 : 755,930.14 = 124,887.87 : x
  2. Step 2: Convert to fraction form
    503,966.05/755,930.14 = 124,887.87/x
  3. Step 3: Cross multiply
    503,966.05x = 755,930.14 × 124,887.87
  4. Step 4: Simplify right side
    503,966.05x = 94,406,504,741.18
  5. Step 5: Solve for x
    x = 94,406,504,741.18/503,966.05
  6. Step 6: Final answer
    x = 187,327.11

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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.