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Finding the Fourth Proportional to 292,023.86, 438,089.85 and 92,394.50

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Solution

The fourth proportional to 292,023.86, 438,089.85 and 92,394.50 is: 138,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,023.86 : 438,089.85 = 92,394.50 : x
  2. Step 2: Convert to fraction form
    292,023.86/438,089.85 = 92,394.50/x
  3. Step 3: Cross multiply
    292,023.86x = 438,089.85 × 92,394.50
  4. Step 4: Simplify right side
    292,023.86x = 40,477,090,455.38
  5. Step 5: Solve for x
    x = 40,477,090,455.38/292,023.86
  6. Step 6: Final answer
    x = 138,608.85

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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.