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Finding the Fourth Proportional to 216,552.22, 324,824.70 and 64,749.64

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Solution

The fourth proportional to 216,552.22, 324,824.70 and 64,749.64 is: 97,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,552.22 : 324,824.70 = 64,749.64 : x
  2. Step 2: Convert to fraction form
    216,552.22/324,824.70 = 64,749.64/x
  3. Step 3: Cross multiply
    216,552.22x = 324,824.70 × 64,749.64
  4. Step 4: Simplify right side
    216,552.22x = 21,032,282,388.11
  5. Step 5: Solve for x
    x = 21,032,282,388.11/216,552.22
  6. Step 6: Final answer
    x = 97,123.37

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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.