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Finding the Fourth Proportional to 185,545.76, 256,053.63 and 100,662.82

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Solution

The fourth proportional to 185,545.76, 256,053.63 and 100,662.82 is: 138,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,545.76 : 256,053.63 = 100,662.82 : x
  2. Step 2: Convert to fraction form
    185,545.76/256,053.63 = 100,662.82/x
  3. Step 3: Cross multiply
    185,545.76x = 256,053.63 × 100,662.82
  4. Step 4: Simplify right side
    185,545.76x = 25,775,080,467.04
  5. Step 5: Solve for x
    x = 25,775,080,467.04/185,545.76
  6. Step 6: Final answer
    x = 138,914.95

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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.