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Finding the Fourth Proportional to 73,578.24, 101,540.16 and 45,300.24

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Solution

The fourth proportional to 73,578.24, 101,540.16 and 45,300.24 is: 62,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,578.24 : 101,540.16 = 45,300.24 : x
  2. Step 2: Convert to fraction form
    73,578.24/101,540.16 = 45,300.24/x
  3. Step 3: Cross multiply
    73,578.24x = 101,540.16 × 45,300.24
  4. Step 4: Simplify right side
    73,578.24x = 4,599,793,617.64
  5. Step 5: Solve for x
    x = 4,599,793,617.64/73,578.24
  6. Step 6: Final answer
    x = 62,515.68

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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.