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Finding the Fourth Proportional to 96,201.70, 144,010.95 and 72,679.30

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Solution

The fourth proportional to 96,201.70, 144,010.95 and 72,679.30 is: 108,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,201.70 : 144,010.95 = 72,679.30 : x
  2. Step 2: Convert to fraction form
    96,201.70/144,010.95 = 72,679.30/x
  3. Step 3: Cross multiply
    96,201.70x = 144,010.95 × 72,679.30
  4. Step 4: Simplify right side
    96,201.70x = 10,466,615,038.34
  5. Step 5: Solve for x
    x = 10,466,615,038.34/96,201.70
  6. Step 6: Final answer
    x = 108,798.65

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1.5x scale

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.