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Finding the Fourth Proportional to 73,077.84, 100,863 and 46,203.12

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Solution

The fourth proportional to 73,077.84, 100,863 and 46,203.12 is: 63,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,077.84 : 100,863 = 46,203.12 : x
  2. Step 2: Convert to fraction form
    73,077.84/100,863 = 46,203.12/x
  3. Step 3: Cross multiply
    73,077.84x = 100,863 × 46,203.12
  4. Step 4: Simplify right side
    73,077.84x = 4,660,185,292.56
  5. Step 5: Solve for x
    x = 4,660,185,292.56/73,077.84
  6. Step 6: Final answer
    x = 63,770.16

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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.