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Finding the Fourth Proportional to 77,797.50, 107,354.16 and 43,795.13

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Solution

The fourth proportional to 77,797.50, 107,354.16 and 43,795.13 is: 60,433.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,797.50 : 107,354.16 = 43,795.13 : x
  2. Step 2: Convert to fraction form
    77,797.50/107,354.16 = 43,795.13/x
  3. Step 3: Cross multiply
    77,797.50x = 107,354.16 × 43,795.13
  4. Step 4: Simplify right side
    77,797.50x = 4,701,588,856.47
  5. Step 5: Solve for x
    x = 4,701,588,856.47/77,797.50
  6. Step 6: Final answer
    x = 60,433.68

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1.5x scale

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.