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Finding the Fourth Proportional to 117,718.68, 162,450.96 and 64,003.68

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Solution

The fourth proportional to 117,718.68, 162,450.96 and 64,003.68 is: 88,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,718.68 : 162,450.96 = 64,003.68 : x
  2. Step 2: Convert to fraction form
    117,718.68/162,450.96 = 64,003.68/x
  3. Step 3: Cross multiply
    117,718.68x = 162,450.96 × 64,003.68
  4. Step 4: Simplify right side
    117,718.68x = 10,397,459,259.53
  5. Step 5: Solve for x
    x = 10,397,459,259.53/117,718.68
  6. Step 6: Final answer
    x = 88,324.63

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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.