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Finding the Fourth Proportional to 221,237.71, 331,856.95 and 94,796.00

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Solution

The fourth proportional to 221,237.71, 331,856.95 and 94,796.00 is: 142,194.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,237.71 : 331,856.95 = 94,796.00 : x
  2. Step 2: Convert to fraction form
    221,237.71/331,856.95 = 94,796.00/x
  3. Step 3: Cross multiply
    221,237.71x = 331,856.95 × 94,796.00
  4. Step 4: Simplify right side
    221,237.71x = 31,458,712,824.83
  5. Step 5: Solve for x
    x = 31,458,712,824.83/221,237.71
  6. Step 6: Final answer
    x = 142,194.17

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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.