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Finding the Fourth Proportional to 374,012.96, 561,024.40 and 124,695.04

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Solution

The fourth proportional to 374,012.96, 561,024.40 and 124,695.04 is: 187,044.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,012.96 : 561,024.40 = 124,695.04 : x
  2. Step 2: Convert to fraction form
    374,012.96/561,024.40 = 124,695.04/x
  3. Step 3: Cross multiply
    374,012.96x = 561,024.40 × 124,695.04
  4. Step 4: Simplify right side
    374,012.96x = 69,956,959,998.98
  5. Step 5: Solve for x
    x = 69,956,959,998.98/374,012.96
  6. Step 6: Final answer
    x = 187,044.21

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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.