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Finding the Fourth Proportional to 185,360.46, 255,797.76 and 100,477.72

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Solution

The fourth proportional to 185,360.46, 255,797.76 and 100,477.72 is: 138,659.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,360.46 : 255,797.76 = 100,477.72 : x
  2. Step 2: Convert to fraction form
    185,360.46/255,797.76 = 100,477.72/x
  3. Step 3: Cross multiply
    185,360.46x = 255,797.76 × 100,477.72
  4. Step 4: Simplify right side
    185,360.46x = 25,701,975,705.91
  5. Step 5: Solve for x
    x = 25,701,975,705.91/185,360.46
  6. Step 6: Final answer
    x = 138,659.43

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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.