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Finding the Fourth Proportional to 185,650.84, 256,191.30 and 100,766.08

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Solution

The fourth proportional to 185,650.84, 256,191.30 and 100,766.08 is: 139,053.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,650.84 : 256,191.30 = 100,766.08 : x
  2. Step 2: Convert to fraction form
    185,650.84/256,191.30 = 100,766.08/x
  3. Step 3: Cross multiply
    185,650.84x = 256,191.30 × 100,766.08
  4. Step 4: Simplify right side
    185,650.84x = 25,815,393,031.10
  5. Step 5: Solve for x
    x = 25,815,393,031.10/185,650.84
  6. Step 6: Final answer
    x = 139,053.47

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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.