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Finding the Fourth Proportional to 104,506.61, 144,219.41 and 61,487.73

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Solution

The fourth proportional to 104,506.61, 144,219.41 and 61,487.73 is: 84,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,506.61 : 144,219.41 = 61,487.73 : x
  2. Step 2: Convert to fraction form
    104,506.61/144,219.41 = 61,487.73/x
  3. Step 3: Cross multiply
    104,506.61x = 144,219.41 × 61,487.73
  4. Step 4: Simplify right side
    104,506.61x = 8,867,724,142.84
  5. Step 5: Solve for x
    x = 8,867,724,142.84/104,506.61
  6. Step 6: Final answer
    x = 84,853.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.