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Finding the Fourth Proportional to 132,097,801.20, 197,978,740.20 and 63,793,417.20

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Solution

The fourth proportional to 132,097,801.20, 197,978,740.20 and 63,793,417.20 is: 95,609,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,097,801.20 : 197,978,740.20 = 63,793,417.20 : x
  2. Step 2: Convert to fraction form
    132,097,801.20/197,978,740.20 = 63,793,417.20/x
  3. Step 3: Cross multiply
    132,097,801.20x = 197,978,740.20 × 63,793,417.20
  4. Step 4: Simplify right side
    132,097,801.20x = 12,629,740,370,309,012
  5. Step 5: Solve for x
    x = 12,629,740,370,309,012/132,097,801.20
  6. Step 6: Final answer
    x = 95,609,012.83

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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.