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Finding the Fourth Proportional to 374,020.96, 561,036.40 and 124,703.04

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Solution

The fourth proportional to 374,020.96, 561,036.40 and 124,703.04 is: 187,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,020.96 : 561,036.40 = 124,703.04 : x
  2. Step 2: Convert to fraction form
    374,020.96/561,036.40 = 124,703.04/x
  3. Step 3: Cross multiply
    374,020.96x = 561,036.40 × 124,703.04
  4. Step 4: Simplify right side
    374,020.96x = 69,962,944,630.66
  5. Step 5: Solve for x
    x = 69,962,944,630.66/374,020.96
  6. Step 6: Final answer
    x = 187,056.21

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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.