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Finding the Fourth Proportional to 185,841.70, 256,460.13 and 100,959.37

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Solution

The fourth proportional to 185,841.70, 256,460.13 and 100,959.37 is: 139,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,841.70 : 256,460.13 = 100,959.37 : x
  2. Step 2: Convert to fraction form
    185,841.70/256,460.13 = 100,959.37/x
  3. Step 3: Cross multiply
    185,841.70x = 256,460.13 × 100,959.37
  4. Step 4: Simplify right side
    185,841.70x = 25,892,053,154.92
  5. Step 5: Solve for x
    x = 25,892,053,154.92/185,841.70
  6. Step 6: Final answer
    x = 139,323.16

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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.