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Finding the Fourth Proportional to 88,163.50, 121,702.88 and 59,521.96

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Solution

The fourth proportional to 88,163.50, 121,702.88 and 59,521.96 is: 82,165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,163.50 : 121,702.88 = 59,521.96 : x
  2. Step 2: Convert to fraction form
    88,163.50/121,702.88 = 59,521.96/x
  3. Step 3: Cross multiply
    88,163.50x = 121,702.88 × 59,521.96
  4. Step 4: Simplify right side
    88,163.50x = 7,243,993,472.58
  5. Step 5: Solve for x
    x = 7,243,993,472.58/88,163.50
  6. Step 6: Final answer
    x = 82,165.44

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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.