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Finding the Fourth Proportional to 79,496.57, 109,700.10 and 45,505.32

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Solution

The fourth proportional to 79,496.57, 109,700.10 and 45,505.32 is: 62,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,496.57 : 109,700.10 = 45,505.32 : x
  2. Step 2: Convert to fraction form
    79,496.57/109,700.10 = 45,505.32/x
  3. Step 3: Cross multiply
    79,496.57x = 109,700.10 × 45,505.32
  4. Step 4: Simplify right side
    79,496.57x = 4,991,938,154.53
  5. Step 5: Solve for x
    x = 4,991,938,154.53/79,496.57
  6. Step 6: Final answer
    x = 62,794.39

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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.