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Finding the Fourth Proportional to 68,347.60, 102,521.40 and 50,632.90

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Solution

The fourth proportional to 68,347.60, 102,521.40 and 50,632.90 is: 75,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,347.60 : 102,521.40 = 50,632.90 : x
  2. Step 2: Convert to fraction form
    68,347.60/102,521.40 = 50,632.90/x
  3. Step 3: Cross multiply
    68,347.60x = 102,521.40 × 50,632.90
  4. Step 4: Simplify right side
    68,347.60x = 5,190,955,794.06
  5. Step 5: Solve for x
    x = 5,190,955,794.06/68,347.60
  6. Step 6: Final answer
    x = 75,949.35

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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.