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Finding the Fourth Proportional to 169,353.73, 253,978.71 and 117,099.01

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Solution

The fourth proportional to 169,353.73, 253,978.71 and 117,099.01 is: 175,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,353.73 : 253,978.71 = 117,099.01 : x
  2. Step 2: Convert to fraction form
    169,353.73/253,978.71 = 117,099.01/x
  3. Step 3: Cross multiply
    169,353.73x = 253,978.71 × 117,099.01
  4. Step 4: Simplify right side
    169,353.73x = 29,740,655,502.08
  5. Step 5: Solve for x
    x = 29,740,655,502.08/169,353.73
  6. Step 6: Final answer
    x = 175,612.64

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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.