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Finding the Fourth Proportional to 91,494.28, 137,162.44 and 35,373.70

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Solution

The fourth proportional to 91,494.28, 137,162.44 and 35,373.70 is: 53,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,494.28 : 137,162.44 = 35,373.70 : x
  2. Step 2: Convert to fraction form
    91,494.28/137,162.44 = 35,373.70/x
  3. Step 3: Cross multiply
    91,494.28x = 137,162.44 × 35,373.70
  4. Step 4: Simplify right side
    91,494.28x = 4,851,943,003.83
  5. Step 5: Solve for x
    x = 4,851,943,003.83/91,494.28
  6. Step 6: Final answer
    x = 53,030.01

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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.