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Finding the Fourth Proportional to 366,774.96, 550,115.64 and 141,981.57

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Solution

The fourth proportional to 366,774.96, 550,115.64 and 141,981.57 is: 212,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,774.96 : 550,115.64 = 141,981.57 : x
  2. Step 2: Convert to fraction form
    366,774.96/550,115.64 = 141,981.57/x
  3. Step 3: Cross multiply
    366,774.96x = 550,115.64 × 141,981.57
  4. Step 4: Simplify right side
    366,774.96x = 78,106,282,248.75
  5. Step 5: Solve for x
    x = 78,106,282,248.75/366,774.96
  6. Step 6: Final answer
    x = 212,954.24

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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.