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Finding the Fourth Proportional to 185,891.79, 256,532.24 and 101,008.84

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Solution

The fourth proportional to 185,891.79, 256,532.24 and 101,008.84 is: 139,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,891.79 : 256,532.24 = 101,008.84 : x
  2. Step 2: Convert to fraction form
    185,891.79/256,532.24 = 101,008.84/x
  3. Step 3: Cross multiply
    185,891.79x = 256,532.24 × 101,008.84
  4. Step 4: Simplify right side
    185,891.79x = 25,912,023,985.00
  5. Step 5: Solve for x
    x = 25,912,023,985.00/185,891.79
  6. Step 6: Final answer
    x = 139,393.05

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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.