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Finding the Fourth Proportional to 160,871.65, 222,008.81 and 97,197.15

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Solution

The fourth proportional to 160,871.65, 222,008.81 and 97,197.15 is: 134,135.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,871.65 : 222,008.81 = 97,197.15 : x
  2. Step 2: Convert to fraction form
    160,871.65/222,008.81 = 97,197.15/x
  3. Step 3: Cross multiply
    160,871.65x = 222,008.81 × 97,197.15
  4. Step 4: Simplify right side
    160,871.65x = 21,578,623,017.35
  5. Step 5: Solve for x
    x = 21,578,623,017.35/160,871.65
  6. Step 6: Final answer
    x = 134,135.65

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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.