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Finding the Fourth Proportional to 114,518.25, 171,602.19 and 61,217.82

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Solution

The fourth proportional to 114,518.25, 171,602.19 and 61,217.82 is: 91,733.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,518.25 : 171,602.19 = 61,217.82 : x
  2. Step 2: Convert to fraction form
    114,518.25/171,602.19 = 61,217.82/x
  3. Step 3: Cross multiply
    114,518.25x = 171,602.19 × 61,217.82
  4. Step 4: Simplify right side
    114,518.25x = 10,505,111,979.03
  5. Step 5: Solve for x
    x = 10,505,111,979.03/114,518.25
  6. Step 6: Final answer
    x = 91,733.08

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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.