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Finding the Fourth Proportional to 245,301.90, 367,078.05 and 170,069.10

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Solution

The fourth proportional to 245,301.90, 367,078.05 and 170,069.10 is: 254,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,301.90 : 367,078.05 = 170,069.10 : x
  2. Step 2: Convert to fraction form
    245,301.90/367,078.05 = 170,069.10/x
  3. Step 3: Cross multiply
    245,301.90x = 367,078.05 × 170,069.10
  4. Step 4: Simplify right side
    245,301.90x = 62,428,633,593.26
  5. Step 5: Solve for x
    x = 62,428,633,593.26/245,301.90
  6. Step 6: Final answer
    x = 254,497.15

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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.