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Finding the Fourth Proportional to 115,008.87, 158,712.44 and 67,253.43

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Solution

The fourth proportional to 115,008.87, 158,712.44 and 67,253.43 is: 92,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,008.87 : 158,712.44 = 67,253.43 : x
  2. Step 2: Convert to fraction form
    115,008.87/158,712.44 = 67,253.43/x
  3. Step 3: Cross multiply
    115,008.87x = 158,712.44 × 67,253.43
  4. Step 4: Simplify right side
    115,008.87x = 10,673,955,637.40
  5. Step 5: Solve for x
    x = 10,673,955,637.40/115,008.87
  6. Step 6: Final answer
    x = 92,809.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.