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Finding the Fourth Proportional to 96,404.70, 144,347.85 and 69,966.30

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Solution

The fourth proportional to 96,404.70, 144,347.85 and 69,966.30 is: 104,761.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,404.70 : 144,347.85 = 69,966.30 : x
  2. Step 2: Convert to fraction form
    96,404.70/144,347.85 = 69,966.30/x
  3. Step 3: Cross multiply
    96,404.70x = 144,347.85 × 69,966.30
  4. Step 4: Simplify right side
    96,404.70x = 10,099,484,977.46
  5. Step 5: Solve for x
    x = 10,099,484,977.46/96,404.70
  6. Step 6: Final answer
    x = 104,761.33

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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.