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Finding the Fourth Proportional to 10,862,551.80, 15,250,087.80 and 10,862,551.80

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Solution

The fourth proportional to 10,862,551.80, 15,250,087.80 and 10,862,551.80 is: 15,250,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862,551.80 : 15,250,087.80 = 10,862,551.80 : x
  2. Step 2: Convert to fraction form
    10,862,551.80/15,250,087.80 = 10,862,551.80/x
  3. Step 3: Cross multiply
    10,862,551.80x = 15,250,087.80 × 10,862,551.80
  4. Step 4: Simplify right side
    10,862,551.80x = 165,654,868,682,048.06
  5. Step 5: Solve for x
    x = 165,654,868,682,048.06/10,862,551.80
  6. Step 6: Final answer
    x = 15,250,087.80

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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.