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Finding the Fourth Proportional to 235,245.60, 352,868.40 and 57,750.30

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Solution

The fourth proportional to 235,245.60, 352,868.40 and 57,750.30 is: 86,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,245.60 : 352,868.40 = 57,750.30 : x
  2. Step 2: Convert to fraction form
    235,245.60/352,868.40 = 57,750.30/x
  3. Step 3: Cross multiply
    235,245.60x = 352,868.40 × 57,750.30
  4. Step 4: Simplify right side
    235,245.60x = 20,378,255,960.52
  5. Step 5: Solve for x
    x = 20,378,255,960.52/235,245.60
  6. Step 6: Final answer
    x = 86,625.45

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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.