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Finding the Fourth Proportional to 99,323.14, 137,065.90 and 54,611.14

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Solution

The fourth proportional to 99,323.14, 137,065.90 and 54,611.14 is: 75,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,323.14 : 137,065.90 = 54,611.14 : x
  2. Step 2: Convert to fraction form
    99,323.14/137,065.90 = 54,611.14/x
  3. Step 3: Cross multiply
    99,323.14x = 137,065.90 × 54,611.14
  4. Step 4: Simplify right side
    99,323.14x = 7,485,325,054.13
  5. Step 5: Solve for x
    x = 7,485,325,054.13/99,323.14
  6. Step 6: Final answer
    x = 75,363.35

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1.5x scale

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.