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Finding the Fourth Proportional to 68,574.85, 102,870.50 and 24,192.45

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Solution

The fourth proportional to 68,574.85, 102,870.50 and 24,192.45 is: 36,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,574.85 : 102,870.50 = 24,192.45 : x
  2. Step 2: Convert to fraction form
    68,574.85/102,870.50 = 24,192.45/x
  3. Step 3: Cross multiply
    68,574.85x = 102,870.50 × 24,192.45
  4. Step 4: Simplify right side
    68,574.85x = 2,488,689,427.73
  5. Step 5: Solve for x
    x = 2,488,689,427.73/68,574.85
  6. Step 6: Final answer
    x = 36,291.58

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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.