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Finding the Fourth Proportional to 117,937.67, 162,781.25 and 70,218.27

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Solution

The fourth proportional to 117,937.67, 162,781.25 and 70,218.27 is: 96,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,937.67 : 162,781.25 = 70,218.27 : x
  2. Step 2: Convert to fraction form
    117,937.67/162,781.25 = 70,218.27/x
  3. Step 3: Cross multiply
    117,937.67x = 162,781.25 × 70,218.27
  4. Step 4: Simplify right side
    117,937.67x = 11,430,217,412.35
  5. Step 5: Solve for x
    x = 11,430,217,412.35/117,937.67
  6. Step 6: Final answer
    x = 96,917.45

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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.