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Finding the Fourth Proportional to 119,557,690.80, 179,336,536.20 and 119,557,690.80

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Solution

The fourth proportional to 119,557,690.80, 179,336,536.20 and 119,557,690.80 is: 179,336,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,557,690.80 : 179,336,536.20 = 119,557,690.80 : x
  2. Step 2: Convert to fraction form
    119,557,690.80/179,336,536.20 = 119,557,690.80/x
  3. Step 3: Cross multiply
    119,557,690.80x = 179,336,536.20 × 119,557,690.80
  4. Step 4: Simplify right side
    119,557,690.80x = 21,441,062,144,142,604
  5. Step 5: Solve for x
    x = 21,441,062,144,142,604/119,557,690.80
  6. Step 6: Final answer
    x = 179,336,536.20

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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.