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Finding the Fourth Proportional to 162,894.12, 224,773 and 91,256.52

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Solution

The fourth proportional to 162,894.12, 224,773 and 91,256.52 is: 125,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,894.12 : 224,773 = 91,256.52 : x
  2. Step 2: Convert to fraction form
    162,894.12/224,773 = 91,256.52/x
  3. Step 3: Cross multiply
    162,894.12x = 224,773 × 91,256.52
  4. Step 4: Simplify right side
    162,894.12x = 20,512,001,769.96
  5. Step 5: Solve for x
    x = 20,512,001,769.96/162,894.12
  6. Step 6: Final answer
    x = 125,922.30

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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.