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Finding the Fourth Proportional to 395,091, 592,653.08 and 125,213.27

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Solution

The fourth proportional to 395,091, 592,653.08 and 125,213.27 is: 187,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,091 : 592,653.08 = 125,213.27 : x
  2. Step 2: Convert to fraction form
    395,091/592,653.08 = 125,213.27/x
  3. Step 3: Cross multiply
    395,091x = 592,653.08 × 125,213.27
  4. Step 4: Simplify right side
    395,091x = 74,208,027,472.14
  5. Step 5: Solve for x
    x = 74,208,027,472.14/395,091
  6. Step 6: Final answer
    x = 187,825.15

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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.