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Finding the Fourth Proportional to 146,693,224.80, 219,879,133.20 and 73,793,743.20

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Solution

The fourth proportional to 146,693,224.80, 219,879,133.20 and 73,793,743.20 is: 110,609,772.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,693,224.80 : 219,879,133.20 = 73,793,743.20 : x
  2. Step 2: Convert to fraction form
    146,693,224.80/219,879,133.20 = 73,793,743.20/x
  3. Step 3: Cross multiply
    146,693,224.80x = 219,879,133.20 × 73,793,743.20
  4. Step 4: Simplify right side
    146,693,224.80x = 16,225,704,290,399,394
  5. Step 5: Solve for x
    x = 16,225,704,290,399,394/146,693,224.80
  6. Step 6: Final answer
    x = 110,609,772.96

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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.