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Finding the Fourth Proportional to 237,659.85, 356,472.45 and 87,830.28

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Solution

The fourth proportional to 237,659.85, 356,472.45 and 87,830.28 is: 131,739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,659.85 : 356,472.45 = 87,830.28 : x
  2. Step 2: Convert to fraction form
    237,659.85/356,472.45 = 87,830.28/x
  3. Step 3: Cross multiply
    237,659.85x = 356,472.45 × 87,830.28
  4. Step 4: Simplify right side
    237,659.85x = 31,309,075,095.79
  5. Step 5: Solve for x
    x = 31,309,075,095.79/237,659.85
  6. Step 6: Final answer
    x = 131,739.02

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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.