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Finding the Fourth Proportional to 291,672.50, 437,522.58 and 141,734.18

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Solution

The fourth proportional to 291,672.50, 437,522.58 and 141,734.18 is: 212,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,672.50 : 437,522.58 = 141,734.18 : x
  2. Step 2: Convert to fraction form
    291,672.50/437,522.58 = 141,734.18/x
  3. Step 3: Cross multiply
    291,672.50x = 437,522.58 × 141,734.18
  4. Step 4: Simplify right side
    291,672.50x = 62,011,901,920.17
  5. Step 5: Solve for x
    x = 62,011,901,920.17/291,672.50
  6. Step 6: Final answer
    x = 212,607.99

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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.