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Finding the Fourth Proportional to 199,532.93, 299,326.73 and 66,399.30

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Solution

The fourth proportional to 199,532.93, 299,326.73 and 66,399.30 is: 99,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,532.93 : 299,326.73 = 66,399.30 : x
  2. Step 2: Convert to fraction form
    199,532.93/299,326.73 = 66,399.30/x
  3. Step 3: Cross multiply
    199,532.93x = 299,326.73 × 66,399.30
  4. Step 4: Simplify right side
    199,532.93x = 19,875,085,011.29
  5. Step 5: Solve for x
    x = 19,875,085,011.29/199,532.93
  6. Step 6: Final answer
    x = 99,608.05

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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.