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Finding the Fourth Proportional to 96,491.70, 144,751.51 and 36,503.91

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Solution

The fourth proportional to 96,491.70, 144,751.51 and 36,503.91 is: 54,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,491.70 : 144,751.51 = 36,503.91 : x
  2. Step 2: Convert to fraction form
    96,491.70/144,751.51 = 36,503.91/x
  3. Step 3: Cross multiply
    96,491.70x = 144,751.51 × 36,503.91
  4. Step 4: Simplify right side
    96,491.70x = 5,283,996,364.02
  5. Step 5: Solve for x
    x = 5,283,996,364.02/96,491.70
  6. Step 6: Final answer
    x = 54,761.15

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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.