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Finding the Fourth Proportional to 114,319.60, 157,766.76 and 68,996.92

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Solution

The fourth proportional to 114,319.60, 157,766.76 and 68,996.92 is: 95,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,319.60 : 157,766.76 = 68,996.92 : x
  2. Step 2: Convert to fraction form
    114,319.60/157,766.76 = 68,996.92/x
  3. Step 3: Cross multiply
    114,319.60x = 157,766.76 × 68,996.92
  4. Step 4: Simplify right side
    114,319.60x = 10,885,420,518.38
  5. Step 5: Solve for x
    x = 10,885,420,518.38/114,319.60
  6. Step 6: Final answer
    x = 95,219.20

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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.