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Finding the Fourth Proportional to 96,596.92, 144,993.74 and 66,613.08

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Solution

The fourth proportional to 96,596.92, 144,993.74 and 66,613.08 is: 99,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,596.92 : 144,993.74 = 66,613.08 : x
  2. Step 2: Convert to fraction form
    96,596.92/144,993.74 = 66,613.08/x
  3. Step 3: Cross multiply
    96,596.92x = 144,993.74 × 66,613.08
  4. Step 4: Simplify right side
    96,596.92x = 9,658,479,602.12
  5. Step 5: Solve for x
    x = 9,658,479,602.12/96,596.92
  6. Step 6: Final answer
    x = 99,987.45

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1.5x scale

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.