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Finding the Fourth Proportional to 87,203.31, 130,818.67 and 37,283.67

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Solution

The fourth proportional to 87,203.31, 130,818.67 and 37,283.67 is: 55,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,203.31 : 130,818.67 = 37,283.67 : x
  2. Step 2: Convert to fraction form
    87,203.31/130,818.67 = 37,283.67/x
  3. Step 3: Cross multiply
    87,203.31x = 130,818.67 × 37,283.67
  4. Step 4: Simplify right side
    87,203.31x = 4,877,399,281.61
  5. Step 5: Solve for x
    x = 4,877,399,281.61/87,203.31
  6. Step 6: Final answer
    x = 55,931.36

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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.