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Finding the Fourth Proportional to 237,780, 356,418.63 and 87,924.06

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Solution

The fourth proportional to 237,780, 356,418.63 and 87,924.06 is: 131,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,780 : 356,418.63 = 87,924.06 : x
  2. Step 2: Convert to fraction form
    237,780/356,418.63 = 87,924.06/x
  3. Step 3: Cross multiply
    237,780x = 356,418.63 × 87,924.06
  4. Step 4: Simplify right side
    237,780x = 31,337,773,009.24
  5. Step 5: Solve for x
    x = 31,337,773,009.24/237,780
  6. Step 6: Final answer
    x = 131,793.14

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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.