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Finding the Fourth Proportional to 112,588.75, 168,883.29 and 28,348.93

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Solution

The fourth proportional to 112,588.75, 168,883.29 and 28,348.93 is: 42,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,588.75 : 168,883.29 = 28,348.93 : x
  2. Step 2: Convert to fraction form
    112,588.75/168,883.29 = 28,348.93/x
  3. Step 3: Cross multiply
    112,588.75x = 168,883.29 × 28,348.93
  4. Step 4: Simplify right side
    112,588.75x = 4,787,660,566.38
  5. Step 5: Solve for x
    x = 4,787,660,566.38/112,588.75
  6. Step 6: Final answer
    x = 42,523.44

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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.