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Finding the Fourth Proportional to 292,234.90, 438,049.95 and 158,833.30

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Solution

The fourth proportional to 292,234.90, 438,049.95 and 158,833.30 is: 238,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,234.90 : 438,049.95 = 158,833.30 : x
  2. Step 2: Convert to fraction form
    292,234.90/438,049.95 = 158,833.30/x
  3. Step 3: Cross multiply
    292,234.90x = 438,049.95 × 158,833.30
  4. Step 4: Simplify right side
    292,234.90x = 69,576,919,123.34
  5. Step 5: Solve for x
    x = 69,576,919,123.34/292,234.90
  6. Step 6: Final answer
    x = 238,085.59

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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.