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Finding the Fourth Proportional to 143,873.25, 215,897.36 and 60,767.25

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Solution

The fourth proportional to 143,873.25, 215,897.36 and 60,767.25 is: 91,187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,873.25 : 215,897.36 = 60,767.25 : x
  2. Step 2: Convert to fraction form
    143,873.25/215,897.36 = 60,767.25/x
  3. Step 3: Cross multiply
    143,873.25x = 215,897.36 × 60,767.25
  4. Step 4: Simplify right side
    143,873.25x = 13,119,488,545.62
  5. Step 5: Solve for x
    x = 13,119,488,545.62/143,873.25
  6. Step 6: Final answer
    x = 91,187.82

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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.