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Finding the Fourth Proportional to 48,860.90, 68,543.50 and 48,860.90

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Solution

The fourth proportional to 48,860.90, 68,543.50 and 48,860.90 is: 68,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,860.90 : 68,543.50 = 48,860.90 : x
  2. Step 2: Convert to fraction form
    48,860.90/68,543.50 = 48,860.90/x
  3. Step 3: Cross multiply
    48,860.90x = 68,543.50 × 48,860.90
  4. Step 4: Simplify right side
    48,860.90x = 3,349,097,099.15
  5. Step 5: Solve for x
    x = 3,349,097,099.15/48,860.90
  6. Step 6: Final answer
    x = 68,543.50

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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.