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Finding the Fourth Proportional to 240,603.10, 360,904.65 and 172,951.90

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Solution

The fourth proportional to 240,603.10, 360,904.65 and 172,951.90 is: 259,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,603.10 : 360,904.65 = 172,951.90 : x
  2. Step 2: Convert to fraction form
    240,603.10/360,904.65 = 172,951.90/x
  3. Step 3: Cross multiply
    240,603.10x = 360,904.65 × 172,951.90
  4. Step 4: Simplify right side
    240,603.10x = 62,419,144,936.34
  5. Step 5: Solve for x
    x = 62,419,144,936.34/240,603.10
  6. Step 6: Final answer
    x = 259,427.85

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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.