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Finding the Fourth Proportional to 117,637.60, 162,340.57 and 63,923.06

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Solution

The fourth proportional to 117,637.60, 162,340.57 and 63,923.06 is: 88,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,637.60 : 162,340.57 = 63,923.06 : x
  2. Step 2: Convert to fraction form
    117,637.60/162,340.57 = 63,923.06/x
  3. Step 3: Cross multiply
    117,637.60x = 162,340.57 × 63,923.06
  4. Step 4: Simplify right side
    117,637.60x = 10,377,305,996.54
  5. Step 5: Solve for x
    x = 10,377,305,996.54/117,637.60
  6. Step 6: Final answer
    x = 88,214.19

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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.