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Finding the Fourth Proportional to 101,465.80, 140,030.22 and 58,452.28

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Solution

The fourth proportional to 101,465.80, 140,030.22 and 58,452.28 is: 80,668.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,465.80 : 140,030.22 = 58,452.28 : x
  2. Step 2: Convert to fraction form
    101,465.80/140,030.22 = 58,452.28/x
  3. Step 3: Cross multiply
    101,465.80x = 140,030.22 × 58,452.28
  4. Step 4: Simplify right side
    101,465.80x = 8,185,085,627.90
  5. Step 5: Solve for x
    x = 8,185,085,627.90/101,465.80
  6. Step 6: Final answer
    x = 80,668.42

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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.