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Finding the Fourth Proportional to 235,141.80, 352,712.70 and 124,549.80

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Solution

The fourth proportional to 235,141.80, 352,712.70 and 124,549.80 is: 186,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,141.80 : 352,712.70 = 124,549.80 : x
  2. Step 2: Convert to fraction form
    235,141.80/352,712.70 = 124,549.80/x
  3. Step 3: Cross multiply
    235,141.80x = 352,712.70 × 124,549.80
  4. Step 4: Simplify right side
    235,141.80x = 43,930,296,242.46
  5. Step 5: Solve for x
    x = 43,930,296,242.46/235,141.80
  6. Step 6: Final answer
    x = 186,824.70

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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.