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Finding the Fourth Proportional to 118,593.48, 163,632.24 and 70,837.50

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Solution

The fourth proportional to 118,593.48, 163,632.24 and 70,837.50 is: 97,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,593.48 : 163,632.24 = 70,837.50 : x
  2. Step 2: Convert to fraction form
    118,593.48/163,632.24 = 70,837.50/x
  3. Step 3: Cross multiply
    118,593.48x = 163,632.24 × 70,837.50
  4. Step 4: Simplify right side
    118,593.48x = 11,591,298,801
  5. Step 5: Solve for x
    x = 11,591,298,801/118,593.48
  6. Step 6: Final answer
    x = 97,739.76

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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.