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Finding the Fourth Proportional to 151,987.60, 227,981.40 and 96,000.40

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Solution

The fourth proportional to 151,987.60, 227,981.40 and 96,000.40 is: 144,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,987.60 : 227,981.40 = 96,000.40 : x
  2. Step 2: Convert to fraction form
    151,987.60/227,981.40 = 96,000.40/x
  3. Step 3: Cross multiply
    151,987.60x = 227,981.40 × 96,000.40
  4. Step 4: Simplify right side
    151,987.60x = 21,886,305,592.56
  5. Step 5: Solve for x
    x = 21,886,305,592.56/151,987.60
  6. Step 6: Final answer
    x = 144,000.60

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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.