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Finding the Fourth Proportional to 162,679.86, 224,487.65 and 91,059.26

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Solution

The fourth proportional to 162,679.86, 224,487.65 and 91,059.26 is: 125,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,679.86 : 224,487.65 = 91,059.26 : x
  2. Step 2: Convert to fraction form
    162,679.86/224,487.65 = 91,059.26/x
  3. Step 3: Cross multiply
    162,679.86x = 224,487.65 × 91,059.26
  4. Step 4: Simplify right side
    162,679.86x = 20,441,678,393.35
  5. Step 5: Solve for x
    x = 20,441,678,393.35/162,679.86
  6. Step 6: Final answer
    x = 125,655.86

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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.