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Finding the Fourth Proportional to 70,864.93, 97,797.81 and 40,650.04

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Solution

The fourth proportional to 70,864.93, 97,797.81 and 40,650.04 is: 56,099.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,864.93 : 97,797.81 = 40,650.04 : x
  2. Step 2: Convert to fraction form
    70,864.93/97,797.81 = 40,650.04/x
  3. Step 3: Cross multiply
    70,864.93x = 97,797.81 × 40,650.04
  4. Step 4: Simplify right side
    70,864.93x = 3,975,484,888.41
  5. Step 5: Solve for x
    x = 3,975,484,888.41/70,864.93
  6. Step 6: Final answer
    x = 56,099.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.