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Finding the Fourth Proportional to 235,200.60, 352,655.10 and 135,311.40

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Solution

The fourth proportional to 235,200.60, 352,655.10 and 135,311.40 is: 202,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,200.60 : 352,655.10 = 135,311.40 : x
  2. Step 2: Convert to fraction form
    235,200.60/352,655.10 = 135,311.40/x
  3. Step 3: Cross multiply
    235,200.60x = 352,655.10 × 135,311.40
  4. Step 4: Simplify right side
    235,200.60x = 47,718,255,298.14
  5. Step 5: Solve for x
    x = 47,718,255,298.14/235,200.60
  6. Step 6: Final answer
    x = 202,883.22

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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.