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Finding the Fourth Proportional to 173,591.67, 239,554.35 and 101,978.22

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Solution

The fourth proportional to 173,591.67, 239,554.35 and 101,978.22 is: 140,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,591.67 : 239,554.35 = 101,978.22 : x
  2. Step 2: Convert to fraction form
    173,591.67/239,554.35 = 101,978.22/x
  3. Step 3: Cross multiply
    173,591.67x = 239,554.35 × 101,978.22
  4. Step 4: Simplify right side
    173,591.67x = 24,429,326,206.26
  5. Step 5: Solve for x
    x = 24,429,326,206.26/173,591.67
  6. Step 6: Final answer
    x = 140,728.68

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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.