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Finding the Fourth Proportional to 69,037.74, 103,052.61 and 59,239.98

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Solution

The fourth proportional to 69,037.74, 103,052.61 and 59,239.98 is: 88,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,037.74 : 103,052.61 = 59,239.98 : x
  2. Step 2: Convert to fraction form
    69,037.74/103,052.61 = 59,239.98/x
  3. Step 3: Cross multiply
    69,037.74x = 103,052.61 × 59,239.98
  4. Step 4: Simplify right side
    69,037.74x = 6,104,834,555.35
  5. Step 5: Solve for x
    x = 6,104,834,555.35/69,037.74
  6. Step 6: Final answer
    x = 88,427.50

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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.