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Finding the Fourth Proportional to 162,766.56, 224,640.60 and 117,590.68

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Solution

The fourth proportional to 162,766.56, 224,640.60 and 117,590.68 is: 162,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,766.56 : 224,640.60 = 117,590.68 : x
  2. Step 2: Convert to fraction form
    162,766.56/224,640.60 = 117,590.68/x
  3. Step 3: Cross multiply
    162,766.56x = 224,640.60 × 117,590.68
  4. Step 4: Simplify right side
    162,766.56x = 26,415,640,909.61
  5. Step 5: Solve for x
    x = 26,415,640,909.61/162,766.56
  6. Step 6: Final answer
    x = 162,291.57

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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.