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Finding the Fourth Proportional to 344,856.08, 517,342.44 and 157,882.16

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Solution

The fourth proportional to 344,856.08, 517,342.44 and 157,882.16 is: 236,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,856.08 : 517,342.44 = 157,882.16 : x
  2. Step 2: Convert to fraction form
    344,856.08/517,342.44 = 157,882.16/x
  3. Step 3: Cross multiply
    344,856.08x = 517,342.44 × 157,882.16
  4. Step 4: Simplify right side
    344,856.08x = 81,679,141,886.87
  5. Step 5: Solve for x
    x = 81,679,141,886.87/344,856.08
  6. Step 6: Final answer
    x = 236,849.94

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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.