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Finding the Fourth Proportional to 114,366.40, 171,549.60 and 107,951.20

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Solution

The fourth proportional to 114,366.40, 171,549.60 and 107,951.20 is: 161,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,366.40 : 171,549.60 = 107,951.20 : x
  2. Step 2: Convert to fraction form
    114,366.40/171,549.60 = 107,951.20/x
  3. Step 3: Cross multiply
    114,366.40x = 171,549.60 × 107,951.20
  4. Step 4: Simplify right side
    114,366.40x = 18,518,985,179.52
  5. Step 5: Solve for x
    x = 18,518,985,179.52/114,366.40
  6. Step 6: Final answer
    x = 161,926.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.