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Finding the Fourth Proportional to 112,554, 155,329.40 and 62,253.04

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Solution

The fourth proportional to 112,554, 155,329.40 and 62,253.04 is: 85,911.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,554 : 155,329.40 = 62,253.04 : x
  2. Step 2: Convert to fraction form
    112,554/155,329.40 = 62,253.04/x
  3. Step 3: Cross multiply
    112,554x = 155,329.40 × 62,253.04
  4. Step 4: Simplify right side
    112,554x = 9,669,727,351.38
  5. Step 5: Solve for x
    x = 9,669,727,351.38/112,554
  6. Step 6: Final answer
    x = 85,911.89

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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.