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Finding the Fourth Proportional to 170,066,109.20, 238,546,049.20 and 170,066,109.20

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Solution

The fourth proportional to 170,066,109.20, 238,546,049.20 and 170,066,109.20 is: 238,546,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,066,109.20 : 238,546,049.20 = 170,066,109.20 : x
  2. Step 2: Convert to fraction form
    170,066,109.20/238,546,049.20 = 170,066,109.20/x
  3. Step 3: Cross multiply
    170,066,109.20x = 238,546,049.20 × 170,066,109.20
  4. Step 4: Simplify right side
    170,066,109.20x = 40,568,598,452,475,768
  5. Step 5: Solve for x
    x = 40,568,598,452,475,768/170,066,109.20
  6. Step 6: Final answer
    x = 238,546,049.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.