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Finding the Fourth Proportional to 292,254.20, 438,842.10 and 167,838.20

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Solution

The fourth proportional to 292,254.20, 438,842.10 and 167,838.20 is: 252,021.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,254.20 : 438,842.10 = 167,838.20 : x
  2. Step 2: Convert to fraction form
    292,254.20/438,842.10 = 167,838.20/x
  3. Step 3: Cross multiply
    292,254.20x = 438,842.10 × 167,838.20
  4. Step 4: Simplify right side
    292,254.20x = 73,654,468,148.22
  5. Step 5: Solve for x
    x = 73,654,468,148.22/292,254.20
  6. Step 6: Final answer
    x = 252,021.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.