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Finding the Fourth Proportional to 67,007,871.60, 100,511,807.40 and 44,049,620.40

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Solution

The fourth proportional to 67,007,871.60, 100,511,807.40 and 44,049,620.40 is: 66,074,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,007,871.60 : 100,511,807.40 = 44,049,620.40 : x
  2. Step 2: Convert to fraction form
    67,007,871.60/100,511,807.40 = 44,049,620.40/x
  3. Step 3: Cross multiply
    67,007,871.60x = 100,511,807.40 × 44,049,620.40
  4. Step 4: Simplify right side
    67,007,871.60x = 4,427,506,961,687,911
  5. Step 5: Solve for x
    x = 4,427,506,961,687,911/67,007,871.60
  6. Step 6: Final answer
    x = 66,074,430.60

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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.