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Finding the Fourth Proportional to 185,449.99, 255,922.59 and 100,567.06

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Solution

The fourth proportional to 185,449.99, 255,922.59 and 100,567.06 is: 138,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,449.99 : 255,922.59 = 100,567.06 : x
  2. Step 2: Convert to fraction form
    185,449.99/255,922.59 = 100,567.06/x
  3. Step 3: Cross multiply
    185,449.99x = 255,922.59 × 100,567.06
  4. Step 4: Simplify right side
    185,449.99x = 25,737,382,463.89
  5. Step 5: Solve for x
    x = 25,737,382,463.89/185,449.99
  6. Step 6: Final answer
    x = 138,783.41

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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.