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Finding the Fourth Proportional to 88,356.80, 132,274.80 and 58,315.62

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Solution

The fourth proportional to 88,356.80, 132,274.80 and 58,315.62 is: 87,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,356.80 : 132,274.80 = 58,315.62 : x
  2. Step 2: Convert to fraction form
    88,356.80/132,274.80 = 58,315.62/x
  3. Step 3: Cross multiply
    88,356.80x = 132,274.80 × 58,315.62
  4. Step 4: Simplify right side
    88,356.80x = 7,713,686,972.38
  5. Step 5: Solve for x
    x = 7,713,686,972.38/88,356.80
  6. Step 6: Final answer
    x = 87,301.57

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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.