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Finding the Fourth Proportional to 144,893,135.60, 217,339,703.40 and 130,560,412.40

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Solution

The fourth proportional to 144,893,135.60, 217,339,703.40 and 130,560,412.40 is: 195,840,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,893,135.60 : 217,339,703.40 = 130,560,412.40 : x
  2. Step 2: Convert to fraction form
    144,893,135.60/217,339,703.40 = 130,560,412.40/x
  3. Step 3: Cross multiply
    144,893,135.60x = 217,339,703.40 × 130,560,412.40
  4. Step 4: Simplify right side
    144,893,135.60x = 28,375,961,306,797,684
  5. Step 5: Solve for x
    x = 28,375,961,306,797,684/144,893,135.60
  6. Step 6: Final answer
    x = 195,840,618.60

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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.