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Finding the Fourth Proportional to 207,005.70, 310,508.55 and 184,455.30

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Solution

The fourth proportional to 207,005.70, 310,508.55 and 184,455.30 is: 276,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,005.70 : 310,508.55 = 184,455.30 : x
  2. Step 2: Convert to fraction form
    207,005.70/310,508.55 = 184,455.30/x
  3. Step 3: Cross multiply
    207,005.70x = 310,508.55 × 184,455.30
  4. Step 4: Simplify right side
    207,005.70x = 57,274,947,742.82
  5. Step 5: Solve for x
    x = 57,274,947,742.82/207,005.70
  6. Step 6: Final answer
    x = 276,682.95

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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.