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Finding the Fourth Proportional to 202,663.54, 279,699.38 and 168,611.95

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Solution

The fourth proportional to 202,663.54, 279,699.38 and 168,611.95 is: 232,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,663.54 : 279,699.38 = 168,611.95 : x
  2. Step 2: Convert to fraction form
    202,663.54/279,699.38 = 168,611.95/x
  3. Step 3: Cross multiply
    202,663.54x = 279,699.38 × 168,611.95
  4. Step 4: Simplify right side
    202,663.54x = 47,160,657,875.59
  5. Step 5: Solve for x
    x = 47,160,657,875.59/202,663.54
  6. Step 6: Final answer
    x = 232,704.20

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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.