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Finding the Fourth Proportional to 148,908.70, 223,373.85 and 89,616.70

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Solution

The fourth proportional to 148,908.70, 223,373.85 and 89,616.70 is: 134,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,908.70 : 223,373.85 = 89,616.70 : x
  2. Step 2: Convert to fraction form
    148,908.70/223,373.85 = 89,616.70/x
  3. Step 3: Cross multiply
    148,908.70x = 223,373.85 × 89,616.70
  4. Step 4: Simplify right side
    148,908.70x = 20,018,027,303.30
  5. Step 5: Solve for x
    x = 20,018,027,303.30/148,908.70
  6. Step 6: Final answer
    x = 134,431.55

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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.