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Finding the Fourth Proportional to 119,043, 164,280.56 and 68,062.95

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Solution

The fourth proportional to 119,043, 164,280.56 and 68,062.95 is: 93,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,043 : 164,280.56 = 68,062.95 : x
  2. Step 2: Convert to fraction form
    119,043/164,280.56 = 68,062.95/x
  3. Step 3: Cross multiply
    119,043x = 164,280.56 × 68,062.95
  4. Step 4: Simplify right side
    119,043x = 11,181,419,200.94
  5. Step 5: Solve for x
    x = 11,181,419,200.94/119,043
  6. Step 6: Final answer
    x = 93,927.57

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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.