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Finding the Fourth Proportional to 75,234.75, 103,823.97 and 41,700.75

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Solution

The fourth proportional to 75,234.75, 103,823.97 and 41,700.75 is: 57,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,234.75 : 103,823.97 = 41,700.75 : x
  2. Step 2: Convert to fraction form
    75,234.75/103,823.97 = 41,700.75/x
  3. Step 3: Cross multiply
    75,234.75x = 103,823.97 × 41,700.75
  4. Step 4: Simplify right side
    75,234.75x = 4,329,537,416.98
  5. Step 5: Solve for x
    x = 4,329,537,416.98/75,234.75
  6. Step 6: Final answer
    x = 57,547.04

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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.