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Finding the Fourth Proportional to 132,118,530.80, 198,177,796.20 and 132,118,530.80

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Solution

The fourth proportional to 132,118,530.80, 198,177,796.20 and 132,118,530.80 is: 198,177,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,118,530.80 : 198,177,796.20 = 132,118,530.80 : x
  2. Step 2: Convert to fraction form
    132,118,530.80/198,177,796.20 = 132,118,530.80/x
  3. Step 3: Cross multiply
    132,118,530.80x = 198,177,796.20 × 132,118,530.80
  4. Step 4: Simplify right side
    132,118,530.80x = 26,182,959,271,125,820
  5. Step 5: Solve for x
    x = 26,182,959,271,125,820/132,118,530.80
  6. Step 6: Final answer
    x = 198,177,796.20

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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.