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Finding the Fourth Proportional to 148,614,779.80, 222,497,016.90 and 148,614,779.80

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Solution

The fourth proportional to 148,614,779.80, 222,497,016.90 and 148,614,779.80 is: 222,497,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,614,779.80 : 222,497,016.90 = 148,614,779.80 : x
  2. Step 2: Convert to fraction form
    148,614,779.80/222,497,016.90 = 148,614,779.80/x
  3. Step 3: Cross multiply
    148,614,779.80x = 222,497,016.90 × 148,614,779.80
  4. Step 4: Simplify right side
    148,614,779.80x = 33,066,345,172,750,384
  5. Step 5: Solve for x
    x = 33,066,345,172,750,384/148,614,779.80
  6. Step 6: Final answer
    x = 222,497,016.90

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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.