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Finding the Fourth Proportional to 134,504.40, 201,740.40 and 55,610.40

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Solution

The fourth proportional to 134,504.40, 201,740.40 and 55,610.40 is: 83,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,504.40 : 201,740.40 = 55,610.40 : x
  2. Step 2: Convert to fraction form
    134,504.40/201,740.40 = 55,610.40/x
  3. Step 3: Cross multiply
    134,504.40x = 201,740.40 × 55,610.40
  4. Step 4: Simplify right side
    134,504.40x = 11,218,864,340.16
  5. Step 5: Solve for x
    x = 11,218,864,340.16/134,504.40
  6. Step 6: Final answer
    x = 83,408.90

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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.