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Finding the Fourth Proportional to 292,493.34, 438,786.42 and 124,014.42

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Solution

The fourth proportional to 292,493.34, 438,786.42 and 124,014.42 is: 186,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,493.34 : 438,786.42 = 124,014.42 : x
  2. Step 2: Convert to fraction form
    292,493.34/438,786.42 = 124,014.42/x
  3. Step 3: Cross multiply
    292,493.34x = 438,786.42 × 124,014.42
  4. Step 4: Simplify right side
    292,493.34x = 54,415,843,380.18
  5. Step 5: Solve for x
    x = 54,415,843,380.18/292,493.34
  6. Step 6: Final answer
    x = 186,041.31

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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.