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Finding the Fourth Proportional to 193,230.77, 266,535.77 and 139,594.59

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Solution

The fourth proportional to 193,230.77, 266,535.77 and 139,594.59 is: 192,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,230.77 : 266,535.77 = 139,594.59 : x
  2. Step 2: Convert to fraction form
    193,230.77/266,535.77 = 139,594.59/x
  3. Step 3: Cross multiply
    193,230.77x = 266,535.77 × 139,594.59
  4. Step 4: Simplify right side
    193,230.77x = 37,206,950,835.51
  5. Step 5: Solve for x
    x = 37,206,950,835.51/193,230.77
  6. Step 6: Final answer
    x = 192,551.90

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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.