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Finding the Fourth Proportional to 159,535.60, 239,219.56 and 70,750.72

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Solution

The fourth proportional to 159,535.60, 239,219.56 and 70,750.72 is: 106,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,535.60 : 239,219.56 = 70,750.72 : x
  2. Step 2: Convert to fraction form
    159,535.60/239,219.56 = 70,750.72/x
  3. Step 3: Cross multiply
    159,535.60x = 239,219.56 × 70,750.72
  4. Step 4: Simplify right side
    159,535.60x = 16,924,956,108.08
  5. Step 5: Solve for x
    x = 16,924,956,108.08/159,535.60
  6. Step 6: Final answer
    x = 106,088.90

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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.