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Finding the Fourth Proportional to 63,937,205.80, 95,905,808.70 and 31,595,266.60

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Solution

The fourth proportional to 63,937,205.80, 95,905,808.70 and 31,595,266.60 is: 47,392,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,937,205.80 : 95,905,808.70 = 31,595,266.60 : x
  2. Step 2: Convert to fraction form
    63,937,205.80/95,905,808.70 = 31,595,266.60/x
  3. Step 3: Cross multiply
    63,937,205.80x = 95,905,808.70 × 31,595,266.60
  4. Step 4: Simplify right side
    63,937,205.80x = 3,030,169,594,365,099.50
  5. Step 5: Solve for x
    x = 3,030,169,594,365,099.50/63,937,205.80
  6. Step 6: Final answer
    x = 47,392,899.90

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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.