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Finding the Fourth Proportional to 162,659.25, 224,474.85 and 91,039.14

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Solution

The fourth proportional to 162,659.25, 224,474.85 and 91,039.14 is: 125,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,659.25 : 224,474.85 = 91,039.14 : x
  2. Step 2: Convert to fraction form
    162,659.25/224,474.85 = 91,039.14/x
  3. Step 3: Cross multiply
    162,659.25x = 224,474.85 × 91,039.14
  4. Step 4: Simplify right side
    162,659.25x = 20,435,997,295.63
  5. Step 5: Solve for x
    x = 20,435,997,295.63/162,659.25
  6. Step 6: Final answer
    x = 125,636.86

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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.