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Finding the Fourth Proportional to 103,671.94, 155,466.06 and 40,483.03

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Solution

The fourth proportional to 103,671.94, 155,466.06 and 40,483.03 is: 60,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,671.94 : 155,466.06 = 40,483.03 : x
  2. Step 2: Convert to fraction form
    103,671.94/155,466.06 = 40,483.03/x
  3. Step 3: Cross multiply
    103,671.94x = 155,466.06 × 40,483.03
  4. Step 4: Simplify right side
    103,671.94x = 6,293,737,170.96
  5. Step 5: Solve for x
    x = 6,293,737,170.96/103,671.94
  6. Step 6: Final answer
    x = 60,708.20

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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.