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Finding the Fourth Proportional to 79,847.79, 110,196.57 and 45,862.84

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Solution

The fourth proportional to 79,847.79, 110,196.57 and 45,862.84 is: 63,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,847.79 : 110,196.57 = 45,862.84 : x
  2. Step 2: Convert to fraction form
    79,847.79/110,196.57 = 45,862.84/x
  3. Step 3: Cross multiply
    79,847.79x = 110,196.57 × 45,862.84
  4. Step 4: Simplify right side
    79,847.79x = 5,053,927,107.48
  5. Step 5: Solve for x
    x = 5,053,927,107.48/79,847.79
  6. Step 6: Final answer
    x = 63,294.51

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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.