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Finding the Fourth Proportional to 235,151.64, 352,616.28 and 91,124.88

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Solution

The fourth proportional to 235,151.64, 352,616.28 and 91,124.88 is: 136,644.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,151.64 : 352,616.28 = 91,124.88 : x
  2. Step 2: Convert to fraction form
    235,151.64/352,616.28 = 91,124.88/x
  3. Step 3: Cross multiply
    235,151.64x = 352,616.28 × 91,124.88
  4. Step 4: Simplify right side
    235,151.64x = 32,132,116,201.05
  5. Step 5: Solve for x
    x = 32,132,116,201.05/235,151.64
  6. Step 6: Final answer
    x = 136,644.24

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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.