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Finding the Fourth Proportional to 216,343.82, 324,360.20 and 97,954.22

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Solution

The fourth proportional to 216,343.82, 324,360.20 and 97,954.22 is: 146,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,343.82 : 324,360.20 = 97,954.22 : x
  2. Step 2: Convert to fraction form
    216,343.82/324,360.20 = 97,954.22/x
  3. Step 3: Cross multiply
    216,343.82x = 324,360.20 × 97,954.22
  4. Step 4: Simplify right side
    216,343.82x = 31,772,450,390.04
  5. Step 5: Solve for x
    x = 31,772,450,390.04/216,343.82
  6. Step 6: Final answer
    x = 146,860.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.