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Finding the Fourth Proportional to 104,307.34, 143,891.06 and 66,002.30

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Solution

The fourth proportional to 104,307.34, 143,891.06 and 66,002.30 is: 91,049.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,307.34 : 143,891.06 = 66,002.30 : x
  2. Step 2: Convert to fraction form
    104,307.34/143,891.06 = 66,002.30/x
  3. Step 3: Cross multiply
    104,307.34x = 143,891.06 × 66,002.30
  4. Step 4: Simplify right side
    104,307.34x = 9,497,140,909.44
  5. Step 5: Solve for x
    x = 9,497,140,909.44/104,307.34
  6. Step 6: Final answer
    x = 91,049.59

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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.