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Finding the Fourth Proportional to 114,778.17, 158,369.22 and 67,009.86

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Solution

The fourth proportional to 114,778.17, 158,369.22 and 67,009.86 is: 92,459.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,778.17 : 158,369.22 = 67,009.86 : x
  2. Step 2: Convert to fraction form
    114,778.17/158,369.22 = 67,009.86/x
  3. Step 3: Cross multiply
    114,778.17x = 158,369.22 × 67,009.86
  4. Step 4: Simplify right side
    114,778.17x = 10,612,299,260.51
  5. Step 5: Solve for x
    x = 10,612,299,260.51/114,778.17
  6. Step 6: Final answer
    x = 92,459.21

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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.