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Finding the Fourth Proportional to 116,482.01, 160,744.37 and 66,181.01

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Solution

The fourth proportional to 116,482.01, 160,744.37 and 66,181.01 is: 91,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,482.01 : 160,744.37 = 66,181.01 : x
  2. Step 2: Convert to fraction form
    116,482.01/160,744.37 = 66,181.01/x
  3. Step 3: Cross multiply
    116,482.01x = 160,744.37 × 66,181.01
  4. Step 4: Simplify right side
    116,482.01x = 10,638,223,623.79
  5. Step 5: Solve for x
    x = 10,638,223,623.79/116,482.01
  6. Step 6: Final answer
    x = 91,329.33

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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.