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Finding the Fourth Proportional to 70,607.62, 105,908.19 and 23,860.90

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Solution

The fourth proportional to 70,607.62, 105,908.19 and 23,860.90 is: 35,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,607.62 : 105,908.19 = 23,860.90 : x
  2. Step 2: Convert to fraction form
    70,607.62/105,908.19 = 23,860.90/x
  3. Step 3: Cross multiply
    70,607.62x = 105,908.19 × 23,860.90
  4. Step 4: Simplify right side
    70,607.62x = 2,527,064,730.77
  5. Step 5: Solve for x
    x = 2,527,064,730.77/70,607.62
  6. Step 6: Final answer
    x = 35,790.26

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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.