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Finding the Fourth Proportional to 169,614.30, 254,421.45 and 166,503.90

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Solution

The fourth proportional to 169,614.30, 254,421.45 and 166,503.90 is: 249,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,614.30 : 254,421.45 = 166,503.90 : x
  2. Step 2: Convert to fraction form
    169,614.30/254,421.45 = 166,503.90/x
  3. Step 3: Cross multiply
    169,614.30x = 254,421.45 × 166,503.90
  4. Step 4: Simplify right side
    169,614.30x = 42,362,163,668.66
  5. Step 5: Solve for x
    x = 42,362,163,668.66/169,614.30
  6. Step 6: Final answer
    x = 249,755.85

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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.