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Finding the Fourth Proportional to 292,503.52, 438,821.52 and 92,836

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Solution

The fourth proportional to 292,503.52, 438,821.52 and 92,836 is: 139,275.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,503.52 : 438,821.52 = 92,836 : x
  2. Step 2: Convert to fraction form
    292,503.52/438,821.52 = 92,836/x
  3. Step 3: Cross multiply
    292,503.52x = 438,821.52 × 92,836
  4. Step 4: Simplify right side
    292,503.52x = 40,738,434,630.72
  5. Step 5: Solve for x
    x = 40,738,434,630.72/292,503.52
  6. Step 6: Final answer
    x = 139,275.02

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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.