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Finding the Fourth Proportional to 325,290.80, 487,842.56 and 112,050.10

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Solution

The fourth proportional to 325,290.80, 487,842.56 and 112,050.10 is: 168,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,290.80 : 487,842.56 = 112,050.10 : x
  2. Step 2: Convert to fraction form
    325,290.80/487,842.56 = 112,050.10/x
  3. Step 3: Cross multiply
    325,290.80x = 487,842.56 × 112,050.10
  4. Step 4: Simplify right side
    325,290.80x = 54,662,807,632.26
  5. Step 5: Solve for x
    x = 54,662,807,632.26/325,290.80
  6. Step 6: Final answer
    x = 168,042.89

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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.