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Finding the Fourth Proportional to 107,064.79, 160,584.75 and 28,185.17

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Solution

The fourth proportional to 107,064.79, 160,584.75 and 28,185.17 is: 42,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,064.79 : 160,584.75 = 28,185.17 : x
  2. Step 2: Convert to fraction form
    107,064.79/160,584.75 = 28,185.17/x
  3. Step 3: Cross multiply
    107,064.79x = 160,584.75 × 28,185.17
  4. Step 4: Simplify right side
    107,064.79x = 4,526,107,675.23
  5. Step 5: Solve for x
    x = 4,526,107,675.23/107,064.79
  6. Step 6: Final answer
    x = 42,274.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.