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Finding the Fourth Proportional to 101,083.80, 139,484.48 and 58,634.12

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Solution

The fourth proportional to 101,083.80, 139,484.48 and 58,634.12 is: 80,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,083.80 : 139,484.48 = 58,634.12 : x
  2. Step 2: Convert to fraction form
    101,083.80/139,484.48 = 58,634.12/x
  3. Step 3: Cross multiply
    101,083.80x = 139,484.48 × 58,634.12
  4. Step 4: Simplify right side
    101,083.80x = 8,178,549,738.46
  5. Step 5: Solve for x
    x = 8,178,549,738.46/101,083.80
  6. Step 6: Final answer
    x = 80,908.61

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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.