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Finding the Fourth Proportional to 109,251.60, 163,877.40 and 89,552.40

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Solution

The fourth proportional to 109,251.60, 163,877.40 and 89,552.40 is: 134,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,251.60 : 163,877.40 = 89,552.40 : x
  2. Step 2: Convert to fraction form
    109,251.60/163,877.40 = 89,552.40/x
  3. Step 3: Cross multiply
    109,251.60x = 163,877.40 × 89,552.40
  4. Step 4: Simplify right side
    109,251.60x = 14,675,614,475.76
  5. Step 5: Solve for x
    x = 14,675,614,475.76/109,251.60
  6. Step 6: Final answer
    x = 134,328.60

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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.