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Finding the Fourth Proportional to 99,470.51, 149,221.15 and 32,927.39

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Solution

The fourth proportional to 99,470.51, 149,221.15 and 32,927.39 is: 49,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,470.51 : 149,221.15 = 32,927.39 : x
  2. Step 2: Convert to fraction form
    99,470.51/149,221.15 = 32,927.39/x
  3. Step 3: Cross multiply
    99,470.51x = 149,221.15 × 32,927.39
  4. Step 4: Simplify right side
    99,470.51x = 4,913,462,173.87
  5. Step 5: Solve for x
    x = 4,913,462,173.87/99,470.51
  6. Step 6: Final answer
    x = 49,396.17

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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.