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Finding the Fourth Proportional to 68,373.50, 94,358.67 and 38,565.50

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Solution

The fourth proportional to 68,373.50, 94,358.67 and 38,565.50 is: 53,222.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,373.50 : 94,358.67 = 38,565.50 : x
  2. Step 2: Convert to fraction form
    68,373.50/94,358.67 = 38,565.50/x
  3. Step 3: Cross multiply
    68,373.50x = 94,358.67 × 38,565.50
  4. Step 4: Simplify right side
    68,373.50x = 3,638,989,287.89
  5. Step 5: Solve for x
    x = 3,638,989,287.89/68,373.50
  6. Step 6: Final answer
    x = 53,222.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.