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Finding the Fourth Proportional to 173,074.77, 238,865.09 and 100,462.14

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Solution

The fourth proportional to 173,074.77, 238,865.09 and 100,462.14 is: 138,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,074.77 : 238,865.09 = 100,462.14 : x
  2. Step 2: Convert to fraction form
    173,074.77/238,865.09 = 100,462.14/x
  3. Step 3: Cross multiply
    173,074.77x = 238,865.09 × 100,462.14
  4. Step 4: Simplify right side
    173,074.77x = 23,996,898,112.69
  5. Step 5: Solve for x
    x = 23,996,898,112.69/173,074.77
  6. Step 6: Final answer
    x = 138,650.47

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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.