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Finding the Fourth Proportional to 79,808.76, 119,730.66 and 23,653.20

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Solution

The fourth proportional to 79,808.76, 119,730.66 and 23,653.20 is: 35,484.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,808.76 : 119,730.66 = 23,653.20 : x
  2. Step 2: Convert to fraction form
    79,808.76/119,730.66 = 23,653.20/x
  3. Step 3: Cross multiply
    79,808.76x = 119,730.66 × 23,653.20
  4. Step 4: Simplify right side
    79,808.76x = 2,832,013,247.11
  5. Step 5: Solve for x
    x = 2,832,013,247.11/79,808.76
  6. Step 6: Final answer
    x = 35,484.99

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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.