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Finding the Fourth Proportional to 324,842.48, 487,196.76 and 125,094.32

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Solution

The fourth proportional to 324,842.48, 487,196.76 and 125,094.32 is: 187,615.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,842.48 : 487,196.76 = 125,094.32 : x
  2. Step 2: Convert to fraction form
    324,842.48/487,196.76 = 125,094.32/x
  3. Step 3: Cross multiply
    324,842.48x = 487,196.76 × 125,094.32
  4. Step 4: Simplify right side
    324,842.48x = 60,945,547,398.40
  5. Step 5: Solve for x
    x = 60,945,547,398.40/324,842.48
  6. Step 6: Final answer
    x = 187,615.69

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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.