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Finding the Fourth Proportional to 162,647.70, 243,910.86 and 56,001.52

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Solution

The fourth proportional to 162,647.70, 243,910.86 and 56,001.52 is: 83,981.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,647.70 : 243,910.86 = 56,001.52 : x
  2. Step 2: Convert to fraction form
    162,647.70/243,910.86 = 56,001.52/x
  3. Step 3: Cross multiply
    162,647.70x = 243,910.86 × 56,001.52
  4. Step 4: Simplify right side
    162,647.70x = 13,659,378,904.51
  5. Step 5: Solve for x
    x = 13,659,378,904.51/162,647.70
  6. Step 6: Final answer
    x = 83,981.38

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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.