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Finding the Fourth Proportional to 279,185.17, 418,608.62 and 125,282.93

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Solution

The fourth proportional to 279,185.17, 418,608.62 and 125,282.93 is: 187,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,185.17 : 418,608.62 = 125,282.93 : x
  2. Step 2: Convert to fraction form
    279,185.17/418,608.62 = 125,282.93/x
  3. Step 3: Cross multiply
    279,185.17x = 418,608.62 × 125,282.93
  4. Step 4: Simplify right side
    279,185.17x = 52,444,514,436.86
  5. Step 5: Solve for x
    x = 52,444,514,436.86/279,185.17
  6. Step 6: Final answer
    x = 187,848.50

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1.5x scale

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.