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Finding the Fourth Proportional to 114,575.60, 171,863.40 and 109,132.40

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Solution

The fourth proportional to 114,575.60, 171,863.40 and 109,132.40 is: 163,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,575.60 : 171,863.40 = 109,132.40 : x
  2. Step 2: Convert to fraction form
    114,575.60/171,863.40 = 109,132.40/x
  3. Step 3: Cross multiply
    114,575.60x = 171,863.40 × 109,132.40
  4. Step 4: Simplify right side
    114,575.60x = 18,755,865,314.16
  5. Step 5: Solve for x
    x = 18,755,865,314.16/114,575.60
  6. Step 6: Final answer
    x = 163,698.60

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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.