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Finding the Fourth Proportional to 70,037.84, 104,510.50 and 62,489.50

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Solution

The fourth proportional to 70,037.84, 104,510.50 and 62,489.50 is: 93,246.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,037.84 : 104,510.50 = 62,489.50 : x
  2. Step 2: Convert to fraction form
    70,037.84/104,510.50 = 62,489.50/x
  3. Step 3: Cross multiply
    70,037.84x = 104,510.50 × 62,489.50
  4. Step 4: Simplify right side
    70,037.84x = 6,530,808,994.80
  5. Step 5: Solve for x
    x = 6,530,808,994.80/70,037.84
  6. Step 6: Final answer
    x = 93,246.87

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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.