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Finding the Fourth Proportional to 68,043.84, 102,030.80 and 30,571.84

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Solution

The fourth proportional to 68,043.84, 102,030.80 and 30,571.84 is: 45,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,043.84 : 102,030.80 = 30,571.84 : x
  2. Step 2: Convert to fraction form
    68,043.84/102,030.80 = 30,571.84/x
  3. Step 3: Cross multiply
    68,043.84x = 102,030.80 × 30,571.84
  4. Step 4: Simplify right side
    68,043.84x = 3,119,269,292.67
  5. Step 5: Solve for x
    x = 3,119,269,292.67/68,043.84
  6. Step 6: Final answer
    x = 45,842.05

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1.5x scale

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.