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Finding the Fourth Proportional to 88,407,769.60, 132,611,654.40 and 45,361,048.60

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Solution

The fourth proportional to 88,407,769.60, 132,611,654.40 and 45,361,048.60 is: 68,041,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,407,769.60 : 132,611,654.40 = 45,361,048.60 : x
  2. Step 2: Convert to fraction form
    88,407,769.60/132,611,654.40 = 45,361,048.60/x
  3. Step 3: Cross multiply
    88,407,769.60x = 132,611,654.40 × 45,361,048.60
  4. Step 4: Simplify right side
    88,407,769.60x = 6,015,403,700,164,804
  5. Step 5: Solve for x
    x = 6,015,403,700,164,804/88,407,769.60
  6. Step 6: Final answer
    x = 68,041,572.90

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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.