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Finding the Fourth Proportional to 115,484.25, 159,368.75 and 62,492.25

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Solution

The fourth proportional to 115,484.25, 159,368.75 and 62,492.25 is: 86,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,484.25 : 159,368.75 = 62,492.25 : x
  2. Step 2: Convert to fraction form
    115,484.25/159,368.75 = 62,492.25/x
  3. Step 3: Cross multiply
    115,484.25x = 159,368.75 × 62,492.25
  4. Step 4: Simplify right side
    115,484.25x = 9,959,311,454.73
  5. Step 5: Solve for x
    x = 9,959,311,454.73/115,484.25
  6. Step 6: Final answer
    x = 86,239.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.