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Finding the Fourth Proportional to 115,008.66, 158,722.74 and 67,259.16

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Solution

The fourth proportional to 115,008.66, 158,722.74 and 67,259.16 is: 92,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,008.66 : 158,722.74 = 67,259.16 : x
  2. Step 2: Convert to fraction form
    115,008.66/158,722.74 = 67,259.16/x
  3. Step 3: Cross multiply
    115,008.66x = 158,722.74 × 67,259.16
  4. Step 4: Simplify right side
    115,008.66x = 10,675,558,165.30
  5. Step 5: Solve for x
    x = 10,675,558,165.30/115,008.66
  6. Step 6: Final answer
    x = 92,823.95

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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.