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Finding the Fourth Proportional to 157,958.90, 236,979.89 and 56,767.17

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Solution

The fourth proportional to 157,958.90, 236,979.89 and 56,767.17 is: 85,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,958.90 : 236,979.89 = 56,767.17 : x
  2. Step 2: Convert to fraction form
    157,958.90/236,979.89 = 56,767.17/x
  3. Step 3: Cross multiply
    157,958.90x = 236,979.89 × 56,767.17
  4. Step 4: Simplify right side
    157,958.90x = 13,452,677,702.21
  5. Step 5: Solve for x
    x = 13,452,677,702.21/157,958.90
  6. Step 6: Final answer
    x = 85,165.68

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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.