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Finding the Fourth Proportional to 292,260.48, 438,353.76 and 92,601.12

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Solution

The fourth proportional to 292,260.48, 438,353.76 and 92,601.12 is: 138,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,260.48 : 438,353.76 = 92,601.12 : x
  2. Step 2: Convert to fraction form
    292,260.48/438,353.76 = 92,601.12/x
  3. Step 3: Cross multiply
    292,260.48x = 438,353.76 × 92,601.12
  4. Step 4: Simplify right side
    292,260.48x = 40,592,049,132.21
  5. Step 5: Solve for x
    x = 40,592,049,132.21/292,260.48
  6. Step 6: Final answer
    x = 138,889.97

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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.