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Finding the Fourth Proportional to 132,890,653.80, 199,335,980.70 and 132,890,653.80

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Solution

The fourth proportional to 132,890,653.80, 199,335,980.70 and 132,890,653.80 is: 199,335,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,890,653.80 : 199,335,980.70 = 132,890,653.80 : x
  2. Step 2: Convert to fraction form
    132,890,653.80/199,335,980.70 = 132,890,653.80/x
  3. Step 3: Cross multiply
    132,890,653.80x = 199,335,980.70 × 132,890,653.80
  4. Step 4: Simplify right side
    132,890,653.80x = 26,489,888,801,087,180
  5. Step 5: Solve for x
    x = 26,489,888,801,087,180/132,890,653.80
  6. Step 6: Final answer
    x = 199,335,980.70

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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.