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Finding the Fourth Proportional to 157,894.56, 236,892.40 and 56,624.38

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Solution

The fourth proportional to 157,894.56, 236,892.40 and 56,624.38 is: 84,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,894.56 : 236,892.40 = 56,624.38 : x
  2. Step 2: Convert to fraction form
    157,894.56/236,892.40 = 56,624.38/x
  3. Step 3: Cross multiply
    157,894.56x = 236,892.40 × 56,624.38
  4. Step 4: Simplify right side
    157,894.56x = 13,413,884,542.92
  5. Step 5: Solve for x
    x = 13,413,884,542.92/157,894.56
  6. Step 6: Final answer
    x = 84,954.70

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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.