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Finding the Fourth Proportional to 235,215.60, 352,677.60 and 135,326.40

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Solution

The fourth proportional to 235,215.60, 352,677.60 and 135,326.40 is: 202,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,215.60 : 352,677.60 = 135,326.40 : x
  2. Step 2: Convert to fraction form
    235,215.60/352,677.60 = 135,326.40/x
  3. Step 3: Cross multiply
    235,215.60x = 352,677.60 × 135,326.40
  4. Step 4: Simplify right side
    235,215.60x = 47,726,589,968.64
  5. Step 5: Solve for x
    x = 47,726,589,968.64/235,215.60
  6. Step 6: Final answer
    x = 202,905.72

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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.