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Finding the Fourth Proportional to 159,178.56, 219,602.73 and 101,804.66

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Solution

The fourth proportional to 159,178.56, 219,602.73 and 101,804.66 is: 140,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,178.56 : 219,602.73 = 101,804.66 : x
  2. Step 2: Convert to fraction form
    159,178.56/219,602.73 = 101,804.66/x
  3. Step 3: Cross multiply
    159,178.56x = 219,602.73 × 101,804.66
  4. Step 4: Simplify right side
    159,178.56x = 22,356,581,262.72
  5. Step 5: Solve for x
    x = 22,356,581,262.72/159,178.56
  6. Step 6: Final answer
    x = 140,449.70

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1.5x scale

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.