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Finding the Fourth Proportional to 162,826.20, 244,239.30 and 57,655.80

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Solution

The fourth proportional to 162,826.20, 244,239.30 and 57,655.80 is: 86,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,826.20 : 244,239.30 = 57,655.80 : x
  2. Step 2: Convert to fraction form
    162,826.20/244,239.30 = 57,655.80/x
  3. Step 3: Cross multiply
    162,826.20x = 244,239.30 × 57,655.80
  4. Step 4: Simplify right side
    162,826.20x = 14,081,812,232.94
  5. Step 5: Solve for x
    x = 14,081,812,232.94/162,826.20
  6. Step 6: Final answer
    x = 86,483.70

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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.