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Finding the Fourth Proportional to 151,143.60, 226,715.40 and 45,962.40

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Solution

The fourth proportional to 151,143.60, 226,715.40 and 45,962.40 is: 68,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,143.60 : 226,715.40 = 45,962.40 : x
  2. Step 2: Convert to fraction form
    151,143.60/226,715.40 = 45,962.40/x
  3. Step 3: Cross multiply
    151,143.60x = 226,715.40 × 45,962.40
  4. Step 4: Simplify right side
    151,143.60x = 10,420,383,900.96
  5. Step 5: Solve for x
    x = 10,420,383,900.96/151,143.60
  6. Step 6: Final answer
    x = 68,943.60

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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.