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Finding the Fourth Proportional to 70,862.61, 97,786.71 and 44,004.55

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Solution

The fourth proportional to 70,862.61, 97,786.71 and 44,004.55 is: 60,723.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,862.61 : 97,786.71 = 44,004.55 : x
  2. Step 2: Convert to fraction form
    70,862.61/97,786.71 = 44,004.55/x
  3. Step 3: Cross multiply
    70,862.61x = 97,786.71 × 44,004.55
  4. Step 4: Simplify right side
    70,862.61x = 4,303,060,169.53
  5. Step 5: Solve for x
    x = 4,303,060,169.53/70,862.61
  6. Step 6: Final answer
    x = 60,723.99

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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.