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Finding the Fourth Proportional to 91,298.95, 125,993.17 and 51,014.41

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Solution

The fourth proportional to 91,298.95, 125,993.17 and 51,014.41 is: 70,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,298.95 : 125,993.17 = 51,014.41 : x
  2. Step 2: Convert to fraction form
    91,298.95/125,993.17 = 51,014.41/x
  3. Step 3: Cross multiply
    91,298.95x = 125,993.17 × 51,014.41
  4. Step 4: Simplify right side
    91,298.95x = 6,427,466,980.36
  5. Step 5: Solve for x
    x = 6,427,466,980.36/91,298.95
  6. Step 6: Final answer
    x = 70,400.23

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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.