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Finding the Fourth Proportional to 66,184.30, 99,266.85 and 19,432.30

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Solution

The fourth proportional to 66,184.30, 99,266.85 and 19,432.30 is: 29,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,184.30 : 99,266.85 = 19,432.30 : x
  2. Step 2: Convert to fraction form
    66,184.30/99,266.85 = 19,432.30/x
  3. Step 3: Cross multiply
    66,184.30x = 99,266.85 × 19,432.30
  4. Step 4: Simplify right side
    66,184.30x = 1,928,983,209.26
  5. Step 5: Solve for x
    x = 1,928,983,209.26/66,184.30
  6. Step 6: Final answer
    x = 29,145.63

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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.