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Finding the Fourth Proportional to 83,334.48, 114,983.80 and 49,353.64

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Solution

The fourth proportional to 83,334.48, 114,983.80 and 49,353.64 is: 68,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,334.48 : 114,983.80 = 49,353.64 : x
  2. Step 2: Convert to fraction form
    83,334.48/114,983.80 = 49,353.64/x
  3. Step 3: Cross multiply
    83,334.48x = 114,983.80 × 49,353.64
  4. Step 4: Simplify right side
    83,334.48x = 5,674,869,071.03
  5. Step 5: Solve for x
    x = 5,674,869,071.03/83,334.48
  6. Step 6: Final answer
    x = 68,097.49

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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.