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Finding the Fourth Proportional to 216,919.80, 325,051.65 and 183,458.70

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Solution

The fourth proportional to 216,919.80, 325,051.65 and 183,458.70 is: 274,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,919.80 : 325,051.65 = 183,458.70 : x
  2. Step 2: Convert to fraction form
    216,919.80/325,051.65 = 183,458.70/x
  3. Step 3: Cross multiply
    216,919.80x = 325,051.65 × 183,458.70
  4. Step 4: Simplify right side
    216,919.80x = 59,633,553,141.86
  5. Step 5: Solve for x
    x = 59,633,553,141.86/216,919.80
  6. Step 6: Final answer
    x = 274,910.60

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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.