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Finding the Fourth Proportional to 173,120.30, 259,715.55 and 98,276.30

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Solution

The fourth proportional to 173,120.30, 259,715.55 and 98,276.30 is: 147,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,120.30 : 259,715.55 = 98,276.30 : x
  2. Step 2: Convert to fraction form
    173,120.30/259,715.55 = 98,276.30/x
  3. Step 3: Cross multiply
    173,120.30x = 259,715.55 × 98,276.30
  4. Step 4: Simplify right side
    173,120.30x = 25,523,883,306.47
  5. Step 5: Solve for x
    x = 25,523,883,306.47/173,120.30
  6. Step 6: Final answer
    x = 147,434.38

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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.