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Finding the Fourth Proportional to 241,728.30, 333,565.50 and 139,760.30

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Solution

The fourth proportional to 241,728.30, 333,565.50 and 139,760.30 is: 192,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,728.30 : 333,565.50 = 139,760.30 : x
  2. Step 2: Convert to fraction form
    241,728.30/333,565.50 = 139,760.30/x
  3. Step 3: Cross multiply
    241,728.30x = 333,565.50 × 139,760.30
  4. Step 4: Simplify right side
    241,728.30x = 46,619,213,650.85
  5. Step 5: Solve for x
    x = 46,619,213,650.85/241,728.30
  6. Step 6: Final answer
    x = 192,857.91

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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.