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Finding the Fourth Proportional to 144,458.60, 216,693.98 and 50,964.84

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Solution

The fourth proportional to 144,458.60, 216,693.98 and 50,964.84 is: 76,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,458.60 : 216,693.98 = 50,964.84 : x
  2. Step 2: Convert to fraction form
    144,458.60/216,693.98 = 50,964.84/x
  3. Step 3: Cross multiply
    144,458.60x = 216,693.98 × 50,964.84
  4. Step 4: Simplify right side
    144,458.60x = 11,043,774,019.66
  5. Step 5: Solve for x
    x = 11,043,774,019.66/144,458.60
  6. Step 6: Final answer
    x = 76,449.41

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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.