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Finding the Fourth Proportional to 216,036.86, 324,093.69 and 73,897.92

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Solution

The fourth proportional to 216,036.86, 324,093.69 and 73,897.92 is: 110,860.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,036.86 : 324,093.69 = 73,897.92 : x
  2. Step 2: Convert to fraction form
    216,036.86/324,093.69 = 73,897.92/x
  3. Step 3: Cross multiply
    216,036.86x = 324,093.69 × 73,897.92
  4. Step 4: Simplify right side
    216,036.86x = 23,949,849,576.12
  5. Step 5: Solve for x
    x = 23,949,849,576.12/216,036.86
  6. Step 6: Final answer
    x = 110,860.02

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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.