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Finding the Fourth Proportional to 96,121.53, 132,458.72 and 73,486.08

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Solution

The fourth proportional to 96,121.53, 132,458.72 and 73,486.08 is: 101,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,121.53 : 132,458.72 = 73,486.08 : x
  2. Step 2: Convert to fraction form
    96,121.53/132,458.72 = 73,486.08/x
  3. Step 3: Cross multiply
    96,121.53x = 132,458.72 × 73,486.08
  4. Step 4: Simplify right side
    96,121.53x = 9,733,871,727.19
  5. Step 5: Solve for x
    x = 9,733,871,727.19/96,121.53
  6. Step 6: Final answer
    x = 101,266.30

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1.5x scale

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.