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Finding the Fourth Proportional to 79,602.05, 109,850.04 and 43,792.10

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Solution

The fourth proportional to 79,602.05, 109,850.04 and 43,792.10 is: 60,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,602.05 : 109,850.04 = 43,792.10 : x
  2. Step 2: Convert to fraction form
    79,602.05/109,850.04 = 43,792.10/x
  3. Step 3: Cross multiply
    79,602.05x = 109,850.04 × 43,792.10
  4. Step 4: Simplify right side
    79,602.05x = 4,810,563,936.68
  5. Step 5: Solve for x
    x = 4,810,563,936.68/79,602.05
  6. Step 6: Final answer
    x = 60,432.66

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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.