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Finding the Fourth Proportional to 12,292,781.30, 17,176,301.50 and 12,292,781.30

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Solution

The fourth proportional to 12,292,781.30, 17,176,301.50 and 12,292,781.30 is: 17,176,301.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,781.30 : 17,176,301.50 = 12,292,781.30 : x
  2. Step 2: Convert to fraction form
    12,292,781.30/17,176,301.50 = 12,292,781.30/x
  3. Step 3: Cross multiply
    12,292,781.30x = 17,176,301.50 × 12,292,781.30
  4. Step 4: Simplify right side
    12,292,781.30x = 211,144,517,882,361.97
  5. Step 5: Solve for x
    x = 211,144,517,882,361.97/12,292,781.30
  6. Step 6: Final answer
    x = 17,176,301.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.