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Finding the Fourth Proportional to 395,092.89, 592,655.91 and 125,215.14

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Solution

The fourth proportional to 395,092.89, 592,655.91 and 125,215.14 is: 187,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,092.89 : 592,655.91 = 125,215.14 : x
  2. Step 2: Convert to fraction form
    395,092.89/592,655.91 = 125,215.14/x
  3. Step 3: Cross multiply
    395,092.89x = 592,655.91 × 125,215.14
  4. Step 4: Simplify right side
    395,092.89x = 74,209,492,742.48
  5. Step 5: Solve for x
    x = 74,209,492,742.48/395,092.89
  6. Step 6: Final answer
    x = 187,827.96

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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.