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Finding the Fourth Proportional to 235,438.76, 352,959.06 and 102,218.24

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Solution

The fourth proportional to 235,438.76, 352,959.06 and 102,218.24 is: 153,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,438.76 : 352,959.06 = 102,218.24 : x
  2. Step 2: Convert to fraction form
    235,438.76/352,959.06 = 102,218.24/x
  3. Step 3: Cross multiply
    235,438.76x = 352,959.06 × 102,218.24
  4. Step 4: Simplify right side
    235,438.76x = 36,078,853,905.25
  5. Step 5: Solve for x
    x = 36,078,853,905.25/235,438.76
  6. Step 6: Final answer
    x = 153,240.93

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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.