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Finding the Fourth Proportional to 193,479.60, 266,987.20 and 108,580.26

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Solution

The fourth proportional to 193,479.60, 266,987.20 and 108,580.26 is: 149,832.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,479.60 : 266,987.20 = 108,580.26 : x
  2. Step 2: Convert to fraction form
    193,479.60/266,987.20 = 108,580.26/x
  3. Step 3: Cross multiply
    193,479.60x = 266,987.20 × 108,580.26
  4. Step 4: Simplify right side
    193,479.60x = 28,989,539,592.67
  5. Step 5: Solve for x
    x = 28,989,539,592.67/193,479.60
  6. Step 6: Final answer
    x = 149,832.54

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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.