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Finding the Fourth Proportional to 144,697.14, 217,098.90 and 60,465.78

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Solution

The fourth proportional to 144,697.14, 217,098.90 and 60,465.78 is: 90,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,697.14 : 217,098.90 = 60,465.78 : x
  2. Step 2: Convert to fraction form
    144,697.14/217,098.90 = 60,465.78/x
  3. Step 3: Cross multiply
    144,697.14x = 217,098.90 × 60,465.78
  4. Step 4: Simplify right side
    144,697.14x = 13,127,054,325.64
  5. Step 5: Solve for x
    x = 13,127,054,325.64/144,697.14
  6. Step 6: Final answer
    x = 90,720.90

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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.