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Finding the Fourth Proportional to 79,506.35, 109,816.13 and 59,452.45

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Solution

The fourth proportional to 79,506.35, 109,816.13 and 59,452.45 is: 82,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,506.35 : 109,816.13 = 59,452.45 : x
  2. Step 2: Convert to fraction form
    79,506.35/109,816.13 = 59,452.45/x
  3. Step 3: Cross multiply
    79,506.35x = 109,816.13 × 59,452.45
  4. Step 4: Simplify right side
    79,506.35x = 6,528,837,978.02
  5. Step 5: Solve for x
    x = 6,528,837,978.02/79,506.35
  6. Step 6: Final answer
    x = 82,117.19

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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.