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Finding the Fourth Proportional to 185,141.92, 255,494.36 and 100,258.98

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Solution

The fourth proportional to 185,141.92, 255,494.36 and 100,258.98 is: 138,356.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,141.92 : 255,494.36 = 100,258.98 : x
  2. Step 2: Convert to fraction form
    185,141.92/255,494.36 = 100,258.98/x
  3. Step 3: Cross multiply
    185,141.92x = 255,494.36 × 100,258.98
  4. Step 4: Simplify right side
    185,141.92x = 25,615,603,929.35
  5. Step 5: Solve for x
    x = 25,615,603,929.35/185,141.92
  6. Step 6: Final answer
    x = 138,356.59

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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.