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Finding the Fourth Proportional to 73,673.80, 101,949.78 and 63,759.40

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Solution

The fourth proportional to 73,673.80, 101,949.78 and 63,759.40 is: 88,230.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,673.80 : 101,949.78 = 63,759.40 : x
  2. Step 2: Convert to fraction form
    73,673.80/101,949.78 = 63,759.40/x
  3. Step 3: Cross multiply
    73,673.80x = 101,949.78 × 63,759.40
  4. Step 4: Simplify right side
    73,673.80x = 6,500,256,802.93
  5. Step 5: Solve for x
    x = 6,500,256,802.93/73,673.80
  6. Step 6: Final answer
    x = 88,230.24

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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.