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Finding the Fourth Proportional to 173,147.68, 238,947.12 and 97,697.92

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Solution

The fourth proportional to 173,147.68, 238,947.12 and 97,697.92 is: 134,825.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,147.68 : 238,947.12 = 97,697.92 : x
  2. Step 2: Convert to fraction form
    173,147.68/238,947.12 = 97,697.92/x
  3. Step 3: Cross multiply
    173,147.68x = 238,947.12 × 97,697.92
  4. Step 4: Simplify right side
    173,147.68x = 23,344,636,613.99
  5. Step 5: Solve for x
    x = 23,344,636,613.99/173,147.68
  6. Step 6: Final answer
    x = 134,825.00

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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.