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Finding the Fourth Proportional to 231,248.94, 346,662.90 and 89,003.40

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Solution

The fourth proportional to 231,248.94, 346,662.90 and 89,003.40 is: 133,424.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,248.94 : 346,662.90 = 89,003.40 : x
  2. Step 2: Convert to fraction form
    231,248.94/346,662.90 = 89,003.40/x
  3. Step 3: Cross multiply
    231,248.94x = 346,662.90 × 89,003.40
  4. Step 4: Simplify right side
    231,248.94x = 30,854,176,753.86
  5. Step 5: Solve for x
    x = 30,854,176,753.86/231,248.94
  6. Step 6: Final answer
    x = 133,424.08

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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.