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Finding the Fourth Proportional to 236,988.87, 355,472.28 and 59,491.95

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Solution

The fourth proportional to 236,988.87, 355,472.28 and 59,491.95 is: 89,235.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,988.87 : 355,472.28 = 59,491.95 : x
  2. Step 2: Convert to fraction form
    236,988.87/355,472.28 = 59,491.95/x
  3. Step 3: Cross multiply
    236,988.87x = 355,472.28 × 59,491.95
  4. Step 4: Simplify right side
    236,988.87x = 21,147,739,108.15
  5. Step 5: Solve for x
    x = 21,147,739,108.15/236,988.87
  6. Step 6: Final answer
    x = 89,235.16

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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.