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Finding the Fourth Proportional to 236,053.93, 325,750.17 and 128,624.71

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Solution

The fourth proportional to 236,053.93, 325,750.17 and 128,624.71 is: 177,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,053.93 : 325,750.17 = 128,624.71 : x
  2. Step 2: Convert to fraction form
    236,053.93/325,750.17 = 128,624.71/x
  3. Step 3: Cross multiply
    236,053.93x = 325,750.17 × 128,624.71
  4. Step 4: Simplify right side
    236,053.93x = 41,899,521,148.70
  5. Step 5: Solve for x
    x = 41,899,521,148.70/236,053.93
  6. Step 6: Final answer
    x = 177,499.78

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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.