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Finding the Fourth Proportional to 159,327.60, 238,991.40 and 144,812.40

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Solution

The fourth proportional to 159,327.60, 238,991.40 and 144,812.40 is: 217,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,327.60 : 238,991.40 = 144,812.40 : x
  2. Step 2: Convert to fraction form
    159,327.60/238,991.40 = 144,812.40/x
  3. Step 3: Cross multiply
    159,327.60x = 238,991.40 × 144,812.40
  4. Step 4: Simplify right side
    159,327.60x = 34,608,918,213.36
  5. Step 5: Solve for x
    x = 34,608,918,213.36/159,327.60
  6. Step 6: Final answer
    x = 217,218.60

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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.