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Finding the Fourth Proportional to 79,705.36, 119,513.40 and 36,964.96

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Solution

The fourth proportional to 79,705.36, 119,513.40 and 36,964.96 is: 55,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,705.36 : 119,513.40 = 36,964.96 : x
  2. Step 2: Convert to fraction form
    79,705.36/119,513.40 = 36,964.96/x
  3. Step 3: Cross multiply
    79,705.36x = 119,513.40 × 36,964.96
  4. Step 4: Simplify right side
    79,705.36x = 4,417,808,050.46
  5. Step 5: Solve for x
    x = 4,417,808,050.46/79,705.36
  6. Step 6: Final answer
    x = 55,426.74

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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.