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Finding the Fourth Proportional to 97,767.88, 134,919.67 and 53,055.88

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Solution

The fourth proportional to 97,767.88, 134,919.67 and 53,055.88 is: 73,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,767.88 : 134,919.67 = 53,055.88 : x
  2. Step 2: Convert to fraction form
    97,767.88/134,919.67 = 53,055.88/x
  3. Step 3: Cross multiply
    97,767.88x = 134,919.67 × 53,055.88
  4. Step 4: Simplify right side
    97,767.88x = 7,158,281,013.92
  5. Step 5: Solve for x
    x = 7,158,281,013.92/97,767.88
  6. Step 6: Final answer
    x = 73,217.11

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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.