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Finding the Fourth Proportional to 238,064.25, 357,186.29 and 125,739.93

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Solution

The fourth proportional to 238,064.25, 357,186.29 and 125,739.93 is: 188,657.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,064.25 : 357,186.29 = 125,739.93 : x
  2. Step 2: Convert to fraction form
    238,064.25/357,186.29 = 125,739.93/x
  3. Step 3: Cross multiply
    238,064.25x = 357,186.29 × 125,739.93
  4. Step 4: Simplify right side
    238,064.25x = 44,912,578,472.86
  5. Step 5: Solve for x
    x = 44,912,578,472.86/238,064.25
  6. Step 6: Final answer
    x = 188,657.38

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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.