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Finding the Fourth Proportional to 101,383.85, 139,929.73 and 58,950.59

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Solution

The fourth proportional to 101,383.85, 139,929.73 and 58,950.59 is: 81,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,383.85 : 139,929.73 = 58,950.59 : x
  2. Step 2: Convert to fraction form
    101,383.85/139,929.73 = 58,950.59/x
  3. Step 3: Cross multiply
    101,383.85x = 139,929.73 × 58,950.59
  4. Step 4: Simplify right side
    101,383.85x = 8,248,939,295.02
  5. Step 5: Solve for x
    x = 8,248,939,295.02/101,383.85
  6. Step 6: Final answer
    x = 81,363.44

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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.