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Finding the Fourth Proportional to 97,322.58, 134,221.25 and 63,318.65

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Solution

The fourth proportional to 97,322.58, 134,221.25 and 63,318.65 is: 87,325.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,322.58 : 134,221.25 = 63,318.65 : x
  2. Step 2: Convert to fraction form
    97,322.58/134,221.25 = 63,318.65/x
  3. Step 3: Cross multiply
    97,322.58x = 134,221.25 × 63,318.65
  4. Step 4: Simplify right side
    97,322.58x = 8,498,707,838.50
  5. Step 5: Solve for x
    x = 8,498,707,838.50/97,322.58
  6. Step 6: Final answer
    x = 87,325.14

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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.