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Finding the Fourth Proportional to 83,368.68, 125,054.87 and 30,064.96

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Solution

The fourth proportional to 83,368.68, 125,054.87 and 30,064.96 is: 45,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,368.68 : 125,054.87 = 30,064.96 : x
  2. Step 2: Convert to fraction form
    83,368.68/125,054.87 = 30,064.96/x
  3. Step 3: Cross multiply
    83,368.68x = 125,054.87 × 30,064.96
  4. Step 4: Simplify right side
    83,368.68x = 3,759,769,664.36
  5. Step 5: Solve for x
    x = 3,759,769,664.36/83,368.68
  6. Step 6: Final answer
    x = 45,098.11

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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.