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Finding the Fourth Proportional to 185,396.61, 255,860.43 and 104,824.92

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Solution

The fourth proportional to 185,396.61, 255,860.43 and 104,824.92 is: 144,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,396.61 : 255,860.43 = 104,824.92 : x
  2. Step 2: Convert to fraction form
    185,396.61/255,860.43 = 104,824.92/x
  3. Step 3: Cross multiply
    185,396.61x = 255,860.43 × 104,824.92
  4. Step 4: Simplify right side
    185,396.61x = 26,820,549,105.92
  5. Step 5: Solve for x
    x = 26,820,549,105.92/185,396.61
  6. Step 6: Final answer
    x = 144,665.80

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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.