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Finding the Fourth Proportional to 103,807.84, 155,595.12 and 44,671.36

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Solution

The fourth proportional to 103,807.84, 155,595.12 and 44,671.36 is: 66,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,807.84 : 155,595.12 = 44,671.36 : x
  2. Step 2: Convert to fraction form
    103,807.84/155,595.12 = 44,671.36/x
  3. Step 3: Cross multiply
    103,807.84x = 155,595.12 × 44,671.36
  4. Step 4: Simplify right side
    103,807.84x = 6,950,645,619.76
  5. Step 5: Solve for x
    x = 6,950,645,619.76/103,807.84
  6. Step 6: Final answer
    x = 66,956.85

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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.