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Finding the Fourth Proportional to 68,307.24, 102,473.76 and 30,866.88

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Solution

The fourth proportional to 68,307.24, 102,473.76 and 30,866.88 is: 46,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,307.24 : 102,473.76 = 30,866.88 : x
  2. Step 2: Convert to fraction form
    68,307.24/102,473.76 = 30,866.88/x
  3. Step 3: Cross multiply
    68,307.24x = 102,473.76 × 30,866.88
  4. Step 4: Simplify right side
    68,307.24x = 3,163,045,253.07
  5. Step 5: Solve for x
    x = 3,163,045,253.07/68,307.24
  6. Step 6: Final answer
    x = 46,306.15

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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.