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Finding the Fourth Proportional to 356,237.42, 534,061.79 and 166,604.47

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Solution

The fourth proportional to 356,237.42, 534,061.79 and 166,604.47 is: 249,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,237.42 : 534,061.79 = 166,604.47 : x
  2. Step 2: Convert to fraction form
    356,237.42/534,061.79 = 166,604.47/x
  3. Step 3: Cross multiply
    356,237.42x = 534,061.79 × 166,604.47
  4. Step 4: Simplify right side
    356,237.42x = 88,977,081,470.20
  5. Step 5: Solve for x
    x = 88,977,081,470.20/356,237.42
  6. Step 6: Final answer
    x = 249,769.05

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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.