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Finding the Fourth Proportional to 73,373.67, 101,255.58 and 39,839.67

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Solution

The fourth proportional to 73,373.67, 101,255.58 and 39,839.67 is: 54,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,373.67 : 101,255.58 = 39,839.67 : x
  2. Step 2: Convert to fraction form
    73,373.67/101,255.58 = 39,839.67/x
  3. Step 3: Cross multiply
    73,373.67x = 101,255.58 × 39,839.67
  4. Step 4: Simplify right side
    73,373.67x = 4,033,988,892.86
  5. Step 5: Solve for x
    x = 4,033,988,892.86/73,373.67
  6. Step 6: Final answer
    x = 54,978.70

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1.5x scale

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.