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Finding the Fourth Proportional to 235,248.32, 352,625.76 and 115,139.66

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Solution

The fourth proportional to 235,248.32, 352,625.76 and 115,139.66 is: 172,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,248.32 : 352,625.76 = 115,139.66 : x
  2. Step 2: Convert to fraction form
    235,248.32/352,625.76 = 115,139.66/x
  3. Step 3: Cross multiply
    235,248.32x = 352,625.76 × 115,139.66
  4. Step 4: Simplify right side
    235,248.32x = 40,601,210,113.64
  5. Step 5: Solve for x
    x = 40,601,210,113.64/235,248.32
  6. Step 6: Final answer
    x = 172,588.74

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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.