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Finding the Fourth Proportional to 70,894.61, 106,537.19 and 37,639.56

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Solution

The fourth proportional to 70,894.61, 106,537.19 and 37,639.56 is: 56,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,894.61 : 106,537.19 = 37,639.56 : x
  2. Step 2: Convert to fraction form
    70,894.61/106,537.19 = 37,639.56/x
  3. Step 3: Cross multiply
    70,894.61x = 106,537.19 × 37,639.56
  4. Step 4: Simplify right side
    70,894.61x = 4,010,012,767.04
  5. Step 5: Solve for x
    x = 4,010,012,767.04/70,894.61
  6. Step 6: Final answer
    x = 56,563.02

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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.