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Finding the Fourth Proportional to 173,447.92, 239,344.92 and 105,455.48

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Solution

The fourth proportional to 173,447.92, 239,344.92 and 105,455.48 is: 145,520.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,447.92 : 239,344.92 = 105,455.48 : x
  2. Step 2: Convert to fraction form
    173,447.92/239,344.92 = 105,455.48/x
  3. Step 3: Cross multiply
    173,447.92x = 239,344.92 × 105,455.48
  4. Step 4: Simplify right side
    173,447.92x = 25,240,233,424.16
  5. Step 5: Solve for x
    x = 25,240,233,424.16/173,447.92
  6. Step 6: Final answer
    x = 145,520.53

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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.