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Finding the Fourth Proportional to 113,673.05, 170,398.17 and 96,844.08

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Solution

The fourth proportional to 113,673.05, 170,398.17 and 96,844.08 is: 145,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,673.05 : 170,398.17 = 96,844.08 : x
  2. Step 2: Convert to fraction form
    113,673.05/170,398.17 = 96,844.08/x
  3. Step 3: Cross multiply
    113,673.05x = 170,398.17 × 96,844.08
  4. Step 4: Simplify right side
    113,673.05x = 16,502,054,030.89
  5. Step 5: Solve for x
    x = 16,502,054,030.89/113,673.05
  6. Step 6: Final answer
    x = 145,171.21

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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.