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Finding the Fourth Proportional to 75,282.57, 112,726.58 and 52,975.17

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Solution

The fourth proportional to 75,282.57, 112,726.58 and 52,975.17 is: 79,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,282.57 : 112,726.58 = 52,975.17 : x
  2. Step 2: Convert to fraction form
    75,282.57/112,726.58 = 52,975.17/x
  3. Step 3: Cross multiply
    75,282.57x = 112,726.58 × 52,975.17
  4. Step 4: Simplify right side
    75,282.57x = 5,971,709,474.14
  5. Step 5: Solve for x
    x = 5,971,709,474.14/75,282.57
  6. Step 6: Final answer
    x = 79,323.93

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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.