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Finding the Fourth Proportional to 134,490.40, 201,764.40 and 41,005.60

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Solution

The fourth proportional to 134,490.40, 201,764.40 and 41,005.60 is: 61,517.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,490.40 : 201,764.40 = 41,005.60 : x
  2. Step 2: Convert to fraction form
    134,490.40/201,764.40 = 41,005.60/x
  3. Step 3: Cross multiply
    134,490.40x = 201,764.40 × 41,005.60
  4. Step 4: Simplify right side
    134,490.40x = 8,273,470,280.64
  5. Step 5: Solve for x
    x = 8,273,470,280.64/134,490.40
  6. Step 6: Final answer
    x = 61,517.18

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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.