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Finding the Fourth Proportional to 292,048.50, 438,150.51 and 92,372.52

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Solution

The fourth proportional to 292,048.50, 438,150.51 and 92,372.52 is: 138,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,048.50 : 438,150.51 = 92,372.52 : x
  2. Step 2: Convert to fraction form
    292,048.50/438,150.51 = 92,372.52/x
  3. Step 3: Cross multiply
    292,048.50x = 438,150.51 × 92,372.52
  4. Step 4: Simplify right side
    292,048.50x = 40,473,066,747.99
  5. Step 5: Solve for x
    x = 40,473,066,747.99/292,048.50
  6. Step 6: Final answer
    x = 138,583.37

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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.