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Finding the Fourth Proportional to 71,078,418, 106,617,627 and 17,225,730

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Solution

The fourth proportional to 71,078,418, 106,617,627 and 17,225,730 is: 25,838,595

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,078,418 : 106,617,627 = 17,225,730 : x
  2. Step 2: Convert to fraction form
    71,078,418/106,617,627 = 17,225,730/x
  3. Step 3: Cross multiply
    71,078,418x = 106,617,627 × 17,225,730
  4. Step 4: Simplify right side
    71,078,418x = 1,836,566,455,942,710
  5. Step 5: Solve for x
    x = 1,836,566,455,942,710/71,078,418
  6. Step 6: Final answer
    x = 25,838,595

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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.