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Finding the Fourth Proportional to 228,119.55, 314,793.32 and 127,517.55

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Solution

The fourth proportional to 228,119.55, 314,793.32 and 127,517.55 is: 175,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,119.55 : 314,793.32 = 127,517.55 : x
  2. Step 2: Convert to fraction form
    228,119.55/314,793.32 = 127,517.55/x
  3. Step 3: Cross multiply
    228,119.55x = 314,793.32 × 127,517.55
  4. Step 4: Simplify right side
    228,119.55x = 40,141,672,285.18
  5. Step 5: Solve for x
    x = 40,141,672,285.18/228,119.55
  6. Step 6: Final answer
    x = 175,967.70

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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.