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Finding the Fourth Proportional to 88,706,972.80, 133,060,459.20 and 50,353,667.20

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Solution

The fourth proportional to 88,706,972.80, 133,060,459.20 and 50,353,667.20 is: 75,530,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706,972.80 : 133,060,459.20 = 50,353,667.20 : x
  2. Step 2: Convert to fraction form
    88,706,972.80/133,060,459.20 = 50,353,667.20/x
  3. Step 3: Cross multiply
    88,706,972.80x = 133,060,459.20 × 50,353,667.20
  4. Step 4: Simplify right side
    88,706,972.80x = 6,700,082,080,035,979
  5. Step 5: Solve for x
    x = 6,700,082,080,035,979/88,706,972.80
  6. Step 6: Final answer
    x = 75,530,500.80

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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.