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Finding the Fourth Proportional to 69,511.99, 103,759.28 and 59,714.23

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Solution

The fourth proportional to 69,511.99, 103,759.28 and 59,714.23 is: 89,134.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,511.99 : 103,759.28 = 59,714.23 : x
  2. Step 2: Convert to fraction form
    69,511.99/103,759.28 = 59,714.23/x
  3. Step 3: Cross multiply
    69,511.99x = 103,759.28 × 59,714.23
  4. Step 4: Simplify right side
    69,511.99x = 6,195,905,510.55
  5. Step 5: Solve for x
    x = 6,195,905,510.55/69,511.99
  6. Step 6: Final answer
    x = 89,134.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.