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Finding the Fourth Proportional to 173,251.40, 259,682.70 and 98,407.40

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Solution

The fourth proportional to 173,251.40, 259,682.70 and 98,407.40 is: 147,500.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,251.40 : 259,682.70 = 98,407.40 : x
  2. Step 2: Convert to fraction form
    173,251.40/259,682.70 = 98,407.40/x
  3. Step 3: Cross multiply
    173,251.40x = 259,682.70 × 98,407.40
  4. Step 4: Simplify right side
    173,251.40x = 25,554,699,331.98
  5. Step 5: Solve for x
    x = 25,554,699,331.98/173,251.40
  6. Step 6: Final answer
    x = 147,500.68

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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.