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Finding the Fourth Proportional to 235,063.76, 352,599.89 and 57,572.10

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Solution

The fourth proportional to 235,063.76, 352,599.89 and 57,572.10 is: 86,359.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,063.76 : 352,599.89 = 57,572.10 : x
  2. Step 2: Convert to fraction form
    235,063.76/352,599.89 = 57,572.10/x
  3. Step 3: Cross multiply
    235,063.76x = 352,599.89 × 57,572.10
  4. Step 4: Simplify right side
    235,063.76x = 20,299,915,839.21
  5. Step 5: Solve for x
    x = 20,299,915,839.21/235,063.76
  6. Step 6: Final answer
    x = 86,359.19

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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.