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Finding the Fourth Proportional to 132,899,794.80, 199,349,692.20 and 98,887,570.80

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Solution

The fourth proportional to 132,899,794.80, 199,349,692.20 and 98,887,570.80 is: 148,331,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,899,794.80 : 199,349,692.20 = 98,887,570.80 : x
  2. Step 2: Convert to fraction form
    132,899,794.80/199,349,692.20 = 98,887,570.80/x
  3. Step 3: Cross multiply
    132,899,794.80x = 199,349,692.20 × 98,887,570.80
  4. Step 4: Simplify right side
    132,899,794.80x = 19,713,206,801,385,704
  5. Step 5: Solve for x
    x = 19,713,206,801,385,704/132,899,794.80
  6. Step 6: Final answer
    x = 148,331,356.20

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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.