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Finding the Fourth Proportional to 292,233.96, 438,346.08 and 92,553.96

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Solution

The fourth proportional to 292,233.96, 438,346.08 and 92,553.96 is: 138,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,233.96 : 438,346.08 = 92,553.96 : x
  2. Step 2: Convert to fraction form
    292,233.96/438,346.08 = 92,553.96/x
  3. Step 3: Cross multiply
    292,233.96x = 438,346.08 × 92,553.96
  4. Step 4: Simplify right side
    292,233.96x = 40,570,665,554.48
  5. Step 5: Solve for x
    x = 40,570,665,554.48/292,233.96
  6. Step 6: Final answer
    x = 138,829.40

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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.