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Finding the Fourth Proportional to 70,054.79, 105,113.00 and 36,767.06

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Solution

The fourth proportional to 70,054.79, 105,113.00 and 36,767.06 is: 55,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,054.79 : 105,113.00 = 36,767.06 : x
  2. Step 2: Convert to fraction form
    70,054.79/105,113.00 = 36,767.06/x
  3. Step 3: Cross multiply
    70,054.79x = 105,113.00 × 36,767.06
  4. Step 4: Simplify right side
    70,054.79x = 3,864,695,793.94
  5. Step 5: Solve for x
    x = 3,864,695,793.94/70,054.79
  6. Step 6: Final answer
    x = 55,166.76

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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.