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Finding the Fourth Proportional to 134,155.47, 201,325.47 and 55,269.69

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Solution

The fourth proportional to 134,155.47, 201,325.47 and 55,269.69 is: 82,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,155.47 : 201,325.47 = 55,269.69 : x
  2. Step 2: Convert to fraction form
    134,155.47/201,325.47 = 55,269.69/x
  3. Step 3: Cross multiply
    134,155.47x = 201,325.47 × 55,269.69
  4. Step 4: Simplify right side
    134,155.47x = 11,127,197,052.46
  5. Step 5: Solve for x
    x = 11,127,197,052.46/134,155.47
  6. Step 6: Final answer
    x = 82,942.55

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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.