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Finding the Fourth Proportional to 174,357.60, 261,286.88 and 99,322.90

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Solution

The fourth proportional to 174,357.60, 261,286.88 and 99,322.90 is: 148,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,357.60 : 261,286.88 = 99,322.90 : x
  2. Step 2: Convert to fraction form
    174,357.60/261,286.88 = 99,322.90/x
  3. Step 3: Cross multiply
    174,357.60x = 261,286.88 × 99,322.90
  4. Step 4: Simplify right side
    174,357.60x = 25,951,770,653.55
  5. Step 5: Solve for x
    x = 25,951,770,653.55/174,357.60
  6. Step 6: Final answer
    x = 148,842.21

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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.