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Finding the Fourth Proportional to 99,547.30, 149,343.08 and 36,367.30

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Solution

The fourth proportional to 99,547.30, 149,343.08 and 36,367.30 is: 54,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,547.30 : 149,343.08 = 36,367.30 : x
  2. Step 2: Convert to fraction form
    99,547.30/149,343.08 = 36,367.30/x
  3. Step 3: Cross multiply
    99,547.30x = 149,343.08 × 36,367.30
  4. Step 4: Simplify right side
    99,547.30x = 5,431,204,593.28
  5. Step 5: Solve for x
    x = 5,431,204,593.28/99,547.30
  6. Step 6: Final answer
    x = 54,559.03

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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.