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Finding the Fourth Proportional to 212,032.52, 292,586.60 and 124,808.36

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Solution

The fourth proportional to 212,032.52, 292,586.60 and 124,808.36 is: 172,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,032.52 : 292,586.60 = 124,808.36 : x
  2. Step 2: Convert to fraction form
    212,032.52/292,586.60 = 124,808.36/x
  3. Step 3: Cross multiply
    212,032.52x = 292,586.60 × 124,808.36
  4. Step 4: Simplify right side
    212,032.52x = 36,517,253,703.98
  5. Step 5: Solve for x
    x = 36,517,253,703.98/212,032.52
  6. Step 6: Final answer
    x = 172,224.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.