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Finding the Fourth Proportional to 74,306, 111,476.28 and 53,492.24

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Solution

The fourth proportional to 74,306, 111,476.28 and 53,492.24 is: 80,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,306 : 111,476.28 = 53,492.24 : x
  2. Step 2: Convert to fraction form
    74,306/111,476.28 = 53,492.24/x
  3. Step 3: Cross multiply
    74,306x = 111,476.28 × 53,492.24
  4. Step 4: Simplify right side
    74,306x = 5,963,115,924.07
  5. Step 5: Solve for x
    x = 5,963,115,924.07/74,306
  6. Step 6: Final answer
    x = 80,250.80

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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.