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Finding the Fourth Proportional to 235,057.47, 352,636.77 and 72,948.30

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Solution

The fourth proportional to 235,057.47, 352,636.77 and 72,948.30 is: 109,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,057.47 : 352,636.77 = 72,948.30 : x
  2. Step 2: Convert to fraction form
    235,057.47/352,636.77 = 72,948.30/x
  3. Step 3: Cross multiply
    235,057.47x = 352,636.77 × 72,948.30
  4. Step 4: Simplify right side
    235,057.47x = 25,724,251,224.66
  5. Step 5: Solve for x
    x = 25,724,251,224.66/235,057.47
  6. Step 6: Final answer
    x = 109,438.14

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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.