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Finding the Fourth Proportional to 159,433,459.60, 239,150,189.40 and 44,435,750.80

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Solution

The fourth proportional to 159,433,459.60, 239,150,189.40 and 44,435,750.80 is: 66,653,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,433,459.60 : 239,150,189.40 = 44,435,750.80 : x
  2. Step 2: Convert to fraction form
    159,433,459.60/239,150,189.40 = 44,435,750.80/x
  3. Step 3: Cross multiply
    159,433,459.60x = 239,150,189.40 × 44,435,750.80
  4. Step 4: Simplify right side
    159,433,459.60x = 10,626,818,219,951,202
  5. Step 5: Solve for x
    x = 10,626,818,219,951,202/159,433,459.60
  6. Step 6: Final answer
    x = 66,653,626.20

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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.