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Finding the Fourth Proportional to 48,866.90, 68,551.90 and 48,866.90

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Solution

The fourth proportional to 48,866.90, 68,551.90 and 48,866.90 is: 68,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,866.90 : 68,551.90 = 48,866.90 : x
  2. Step 2: Convert to fraction form
    48,866.90/68,551.90 = 48,866.90/x
  3. Step 3: Cross multiply
    48,866.90x = 68,551.90 × 48,866.90
  4. Step 4: Simplify right side
    48,866.90x = 3,349,918,842.11
  5. Step 5: Solve for x
    x = 3,349,918,842.11/48,866.90
  6. Step 6: Final answer
    x = 68,551.90

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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.