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Finding the Fourth Proportional to 325,291.80, 487,844.06 and 112,051.10

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Solution

The fourth proportional to 325,291.80, 487,844.06 and 112,051.10 is: 168,044.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,291.80 : 487,844.06 = 112,051.10 : x
  2. Step 2: Convert to fraction form
    325,291.80/487,844.06 = 112,051.10/x
  3. Step 3: Cross multiply
    325,291.80x = 487,844.06 × 112,051.10
  4. Step 4: Simplify right side
    325,291.80x = 54,663,463,551.47
  5. Step 5: Solve for x
    x = 54,663,463,551.47/325,291.80
  6. Step 6: Final answer
    x = 168,044.39

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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.