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Finding the Fourth Proportional to 77,333.94, 115,839.72 and 62,259.84

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Solution

The fourth proportional to 77,333.94, 115,839.72 and 62,259.84 is: 93,259.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,333.94 : 115,839.72 = 62,259.84 : x
  2. Step 2: Convert to fraction form
    77,333.94/115,839.72 = 62,259.84/x
  3. Step 3: Cross multiply
    77,333.94x = 115,839.72 × 62,259.84
  4. Step 4: Simplify right side
    77,333.94x = 7,212,162,432.84
  5. Step 5: Solve for x
    x = 7,212,162,432.84/77,333.94
  6. Step 6: Final answer
    x = 93,259.99

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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.