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Finding the Fourth Proportional to 216,551.50, 324,821.77 and 58,775.86

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Solution

The fourth proportional to 216,551.50, 324,821.77 and 58,775.86 is: 88,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,551.50 : 324,821.77 = 58,775.86 : x
  2. Step 2: Convert to fraction form
    216,551.50/324,821.77 = 58,775.86/x
  3. Step 3: Cross multiply
    216,551.50x = 324,821.77 × 58,775.86
  4. Step 4: Simplify right side
    216,551.50x = 19,091,678,878.47
  5. Step 5: Solve for x
    x = 19,091,678,878.47/216,551.50
  6. Step 6: Final answer
    x = 88,162.30

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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.