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Finding the Fourth Proportional to 162,787.95, 224,659.26 and 98,273.05

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Solution

The fourth proportional to 162,787.95, 224,659.26 and 98,273.05 is: 135,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,787.95 : 224,659.26 = 98,273.05 : x
  2. Step 2: Convert to fraction form
    162,787.95/224,659.26 = 98,273.05/x
  3. Step 3: Cross multiply
    162,787.95x = 224,659.26 × 98,273.05
  4. Step 4: Simplify right side
    162,787.95x = 22,077,950,129.29
  5. Step 5: Solve for x
    x = 22,077,950,129.29/162,787.95
  6. Step 6: Final answer
    x = 135,623.98

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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.