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Finding the Fourth Proportional to 216,483.42, 324,603.62 and 149,094.66

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Solution

The fourth proportional to 216,483.42, 324,603.62 and 149,094.66 is: 223,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,483.42 : 324,603.62 = 149,094.66 : x
  2. Step 2: Convert to fraction form
    216,483.42/324,603.62 = 149,094.66/x
  3. Step 3: Cross multiply
    216,483.42x = 324,603.62 × 149,094.66
  4. Step 4: Simplify right side
    216,483.42x = 48,396,666,358.67
  5. Step 5: Solve for x
    x = 48,396,666,358.67/216,483.42
  6. Step 6: Final answer
    x = 223,558.30

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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.