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Finding the Fourth Proportional to 73,357.84, 109,988.16 and 26,611.12

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Solution

The fourth proportional to 73,357.84, 109,988.16 and 26,611.12 is: 39,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,357.84 : 109,988.16 = 26,611.12 : x
  2. Step 2: Convert to fraction form
    73,357.84/109,988.16 = 26,611.12/x
  3. Step 3: Cross multiply
    73,357.84x = 109,988.16 × 26,611.12
  4. Step 4: Simplify right side
    73,357.84x = 2,926,908,124.34
  5. Step 5: Solve for x
    x = 2,926,908,124.34/73,357.84
  6. Step 6: Final answer
    x = 39,899.05

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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.