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Finding the Fourth Proportional to 172,700.76, 238,337.82 and 104,723.76

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Solution

The fourth proportional to 172,700.76, 238,337.82 and 104,723.76 is: 144,525.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,700.76 : 238,337.82 = 104,723.76 : x
  2. Step 2: Convert to fraction form
    172,700.76/238,337.82 = 104,723.76/x
  3. Step 3: Cross multiply
    172,700.76x = 238,337.82 × 104,723.76
  4. Step 4: Simplify right side
    172,700.76x = 24,959,632,660.60
  5. Step 5: Solve for x
    x = 24,959,632,660.60/172,700.76
  6. Step 6: Final answer
    x = 144,525.32

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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.