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Finding the Fourth Proportional to 88,706,657.80, 133,059,986.70 and 50,353,352.20

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Solution

The fourth proportional to 88,706,657.80, 133,059,986.70 and 50,353,352.20 is: 75,530,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706,657.80 : 133,059,986.70 = 50,353,352.20 : x
  2. Step 2: Convert to fraction form
    88,706,657.80/133,059,986.70 = 50,353,352.20/x
  3. Step 3: Cross multiply
    88,706,657.80x = 133,059,986.70 × 50,353,352.20
  4. Step 4: Simplify right side
    88,706,657.80x = 6,700,016,374,032,416
  5. Step 5: Solve for x
    x = 6,700,016,374,032,416/88,706,657.80
  6. Step 6: Final answer
    x = 75,530,028.30

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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.