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Finding the Fourth Proportional to 235,725.36, 353,642.96 and 67,248.01

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Solution

The fourth proportional to 235,725.36, 353,642.96 and 67,248.01 is: 100,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,725.36 : 353,642.96 = 67,248.01 : x
  2. Step 2: Convert to fraction form
    235,725.36/353,642.96 = 67,248.01/x
  3. Step 3: Cross multiply
    235,725.36x = 353,642.96 × 67,248.01
  4. Step 4: Simplify right side
    235,725.36x = 23,781,785,310.51
  5. Step 5: Solve for x
    x = 23,781,785,310.51/235,725.36
  6. Step 6: Final answer
    x = 100,887.68

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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.