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Finding the Fourth Proportional to 82,767,348.80, 124,151,023.20 and 82,767,348.80

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Solution

The fourth proportional to 82,767,348.80, 124,151,023.20 and 82,767,348.80 is: 124,151,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,767,348.80 : 124,151,023.20 = 82,767,348.80 : x
  2. Step 2: Convert to fraction form
    82,767,348.80/124,151,023.20 = 82,767,348.80/x
  3. Step 3: Cross multiply
    82,767,348.80x = 124,151,023.20 × 82,767,348.80
  4. Step 4: Simplify right side
    82,767,348.80x = 10,275,651,041,071,292
  5. Step 5: Solve for x
    x = 10,275,651,041,071,292/82,767,348.80
  6. Step 6: Final answer
    x = 124,151,023.20

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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.