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Finding the Fourth Proportional to 68,347.70, 102,521.55 and 41,966.90

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Solution

The fourth proportional to 68,347.70, 102,521.55 and 41,966.90 is: 62,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,347.70 : 102,521.55 = 41,966.90 : x
  2. Step 2: Convert to fraction form
    68,347.70/102,521.55 = 41,966.90/x
  3. Step 3: Cross multiply
    68,347.70x = 102,521.55 × 41,966.90
  4. Step 4: Simplify right side
    68,347.70x = 4,302,511,636.70
  5. Step 5: Solve for x
    x = 4,302,511,636.70/68,347.70
  6. Step 6: Final answer
    x = 62,950.35

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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.