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Finding the Fourth Proportional to 193,572.60, 290,261.70 and 88,272.60

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Solution

The fourth proportional to 193,572.60, 290,261.70 and 88,272.60 is: 132,364.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,572.60 : 290,261.70 = 88,272.60 : x
  2. Step 2: Convert to fraction form
    193,572.60/290,261.70 = 88,272.60/x
  3. Step 3: Cross multiply
    193,572.60x = 290,261.70 × 88,272.60
  4. Step 4: Simplify right side
    193,572.60x = 25,622,154,939.42
  5. Step 5: Solve for x
    x = 25,622,154,939.42/193,572.60
  6. Step 6: Final answer
    x = 132,364.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.