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Finding the Fourth Proportional to 132,217,458.30, 198,326,187.45 and 132,217,458.30

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Solution

The fourth proportional to 132,217,458.30, 198,326,187.45 and 132,217,458.30 is: 198,326,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,217,458.30 : 198,326,187.45 = 132,217,458.30 : x
  2. Step 2: Convert to fraction form
    132,217,458.30/198,326,187.45 = 132,217,458.30/x
  3. Step 3: Cross multiply
    132,217,458.30x = 198,326,187.45 × 132,217,458.30
  4. Step 4: Simplify right side
    132,217,458.30x = 26,222,184,418,968,356
  5. Step 5: Solve for x
    x = 26,222,184,418,968,356/132,217,458.30
  6. Step 6: Final answer
    x = 198,326,187.45

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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.