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Finding the Fourth Proportional to 170,018.74, 234,642.41 and 126,923.39

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Solution

The fourth proportional to 170,018.74, 234,642.41 and 126,923.39 is: 175,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,018.74 : 234,642.41 = 126,923.39 : x
  2. Step 2: Convert to fraction form
    170,018.74/234,642.41 = 126,923.39/x
  3. Step 3: Cross multiply
    170,018.74x = 234,642.41 × 126,923.39
  4. Step 4: Simplify right side
    170,018.74x = 29,781,611,696.82
  5. Step 5: Solve for x
    x = 29,781,611,696.82/170,018.74
  6. Step 6: Final answer
    x = 175,166.65

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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.