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Finding the Fourth Proportional to 162,003.90, 242,827.65 and 56,768.70

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Solution

The fourth proportional to 162,003.90, 242,827.65 and 56,768.70 is: 85,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003.90 : 242,827.65 = 56,768.70 : x
  2. Step 2: Convert to fraction form
    162,003.90/242,827.65 = 56,768.70/x
  3. Step 3: Cross multiply
    162,003.90x = 242,827.65 × 56,768.70
  4. Step 4: Simplify right side
    162,003.90x = 13,785,010,014.56
  5. Step 5: Solve for x
    x = 13,785,010,014.56/162,003.90
  6. Step 6: Final answer
    x = 85,090.61

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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.