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Finding the Fourth Proportional to 68,752.98, 103,287.36 and 48,536.22

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Solution

The fourth proportional to 68,752.98, 103,287.36 and 48,536.22 is: 72,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,752.98 : 103,287.36 = 48,536.22 : x
  2. Step 2: Convert to fraction form
    68,752.98/103,287.36 = 48,536.22/x
  3. Step 3: Cross multiply
    68,752.98x = 103,287.36 × 48,536.22
  4. Step 4: Simplify right side
    68,752.98x = 5,013,178,028.18
  5. Step 5: Solve for x
    x = 5,013,178,028.18/68,752.98
  6. Step 6: Final answer
    x = 72,915.79

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1.5x scale

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.