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Finding the Fourth Proportional to 255,579.95, 352,760.43 and 158,856.86

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Solution

The fourth proportional to 255,579.95, 352,760.43 and 158,856.86 is: 219,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,579.95 : 352,760.43 = 158,856.86 : x
  2. Step 2: Convert to fraction form
    255,579.95/352,760.43 = 158,856.86/x
  3. Step 3: Cross multiply
    255,579.95x = 352,760.43 × 158,856.86
  4. Step 4: Simplify right side
    255,579.95x = 56,038,412,478.25
  5. Step 5: Solve for x
    x = 56,038,412,478.25/255,579.95
  6. Step 6: Final answer
    x = 219,259.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.