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Finding the Fourth Proportional to 251,577.16, 377,285.72 and 83,066.11

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Solution

The fourth proportional to 251,577.16, 377,285.72 and 83,066.11 is: 124,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,577.16 : 377,285.72 = 83,066.11 : x
  2. Step 2: Convert to fraction form
    251,577.16/377,285.72 = 83,066.11/x
  3. Step 3: Cross multiply
    251,577.16x = 377,285.72 × 83,066.11
  4. Step 4: Simplify right side
    251,577.16x = 31,339,655,760.40
  5. Step 5: Solve for x
    x = 31,339,655,760.40/251,577.16
  6. Step 6: Final answer
    x = 124,572.74

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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.