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Finding the Fourth Proportional to 95,497.20, 143,398.80 and 75,938.40

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Solution

The fourth proportional to 95,497.20, 143,398.80 and 75,938.40 is: 114,029.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,497.20 : 143,398.80 = 75,938.40 : x
  2. Step 2: Convert to fraction form
    95,497.20/143,398.80 = 75,938.40/x
  3. Step 3: Cross multiply
    95,497.20x = 143,398.80 × 75,938.40
  4. Step 4: Simplify right side
    95,497.20x = 10,889,475,433.92
  5. Step 5: Solve for x
    x = 10,889,475,433.92/95,497.20
  6. Step 6: Final answer
    x = 114,029.26

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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.