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Finding the Fourth Proportional to 292,500.80, 438,751.20 and 166,092.20

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Solution

The fourth proportional to 292,500.80, 438,751.20 and 166,092.20 is: 249,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,500.80 : 438,751.20 = 166,092.20 : x
  2. Step 2: Convert to fraction form
    292,500.80/438,751.20 = 166,092.20/x
  3. Step 3: Cross multiply
    292,500.80x = 438,751.20 × 166,092.20
  4. Step 4: Simplify right side
    292,500.80x = 72,873,152,060.64
  5. Step 5: Solve for x
    x = 72,873,152,060.64/292,500.80
  6. Step 6: Final answer
    x = 249,138.30

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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.