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Finding the Fourth Proportional to 208,732.44, 287,860.68 and 176,534.52

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Solution

The fourth proportional to 208,732.44, 287,860.68 and 176,534.52 is: 243,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,732.44 : 287,860.68 = 176,534.52 : x
  2. Step 2: Convert to fraction form
    208,732.44/287,860.68 = 176,534.52/x
  3. Step 3: Cross multiply
    208,732.44x = 287,860.68 × 176,534.52
  4. Step 4: Simplify right side
    208,732.44x = 50,817,346,970.67
  5. Step 5: Solve for x
    x = 50,817,346,970.67/208,732.44
  6. Step 6: Final answer
    x = 243,456.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.