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Finding the Fourth Proportional to 103,407.03, 155,125.11 and 36,827.46

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Solution

The fourth proportional to 103,407.03, 155,125.11 and 36,827.46 is: 55,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,407.03 : 155,125.11 = 36,827.46 : x
  2. Step 2: Convert to fraction form
    103,407.03/155,125.11 = 36,827.46/x
  3. Step 3: Cross multiply
    103,407.03x = 155,125.11 × 36,827.46
  4. Step 4: Simplify right side
    103,407.03x = 5,712,863,783.52
  5. Step 5: Solve for x
    x = 5,712,863,783.52/103,407.03
  6. Step 6: Final answer
    x = 55,246.38

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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.