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Finding the Fourth Proportional to 134,244.40, 201,390.88 and 55,314.72

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Solution

The fourth proportional to 134,244.40, 201,390.88 and 55,314.72 is: 82,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,244.40 : 201,390.88 = 55,314.72 : x
  2. Step 2: Convert to fraction form
    134,244.40/201,390.88 = 55,314.72/x
  3. Step 3: Cross multiply
    134,244.40x = 201,390.88 × 55,314.72
  4. Step 4: Simplify right side
    134,244.40x = 11,139,880,137.75
  5. Step 5: Solve for x
    x = 11,139,880,137.75/134,244.40
  6. Step 6: Final answer
    x = 82,982.08

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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.