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Finding the Fourth Proportional to 185,912.60, 256,561.01 and 101,029.65

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Solution

The fourth proportional to 185,912.60, 256,561.01 and 101,029.65 is: 139,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,912.60 : 256,561.01 = 101,029.65 : x
  2. Step 2: Convert to fraction form
    185,912.60/256,561.01 = 101,029.65/x
  3. Step 3: Cross multiply
    185,912.60x = 256,561.01 × 101,029.65
  4. Step 4: Simplify right side
    185,912.60x = 25,920,268,538.80
  5. Step 5: Solve for x
    x = 25,920,268,538.80/185,912.60
  6. Step 6: Final answer
    x = 139,421.80

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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.