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Finding the Fourth Proportional to 169,437.30, 254,021.06 and 83,988.02

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Solution

The fourth proportional to 169,437.30, 254,021.06 and 83,988.02 is: 125,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,437.30 : 254,021.06 = 83,988.02 : x
  2. Step 2: Convert to fraction form
    169,437.30/254,021.06 = 83,988.02/x
  3. Step 3: Cross multiply
    169,437.30x = 254,021.06 × 83,988.02
  4. Step 4: Simplify right side
    169,437.30x = 21,334,724,177.66
  5. Step 5: Solve for x
    x = 21,334,724,177.66/169,437.30
  6. Step 6: Final answer
    x = 125,915.16

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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.