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Finding the Fourth Proportional to 216,775.68, 324,940.32 and 123,083.52

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Solution

The fourth proportional to 216,775.68, 324,940.32 and 123,083.52 is: 184,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,775.68 : 324,940.32 = 123,083.52 : x
  2. Step 2: Convert to fraction form
    216,775.68/324,940.32 = 123,083.52/x
  3. Step 3: Cross multiply
    216,775.68x = 324,940.32 × 123,083.52
  4. Step 4: Simplify right side
    216,775.68x = 39,994,798,375.53
  5. Step 5: Solve for x
    x = 39,994,798,375.53/216,775.68
  6. Step 6: Final answer
    x = 184,498.55

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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.