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Finding the Fourth Proportional to 98,305.86, 135,661.77 and 53,593.86

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Solution

The fourth proportional to 98,305.86, 135,661.77 and 53,593.86 is: 73,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,305.86 : 135,661.77 = 53,593.86 : x
  2. Step 2: Convert to fraction form
    98,305.86/135,661.77 = 53,593.86/x
  3. Step 3: Cross multiply
    98,305.86x = 135,661.77 × 53,593.86
  4. Step 4: Simplify right side
    98,305.86x = 7,270,637,908.73
  5. Step 5: Solve for x
    x = 7,270,637,908.73/98,305.86
  6. Step 6: Final answer
    x = 73,959.35

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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.