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Finding the Fourth Proportional to 101,095.92, 139,525.56 and 58,667.76

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Solution

The fourth proportional to 101,095.92, 139,525.56 and 58,667.76 is: 80,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,095.92 : 139,525.56 = 58,667.76 : x
  2. Step 2: Convert to fraction form
    101,095.92/139,525.56 = 58,667.76/x
  3. Step 3: Cross multiply
    101,095.92x = 139,525.56 × 58,667.76
  4. Step 4: Simplify right side
    101,095.92x = 8,185,652,067.95
  5. Step 5: Solve for x
    x = 8,185,652,067.95/101,095.92
  6. Step 6: Final answer
    x = 80,969.16

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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.