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Finding the Fourth Proportional to 75,230.17, 103,820.29 and 41,238.63

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Solution

The fourth proportional to 75,230.17, 103,820.29 and 41,238.63 is: 56,910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,230.17 : 103,820.29 = 41,238.63 : x
  2. Step 2: Convert to fraction form
    75,230.17/103,820.29 = 41,238.63/x
  3. Step 3: Cross multiply
    75,230.17x = 103,820.29 × 41,238.63
  4. Step 4: Simplify right side
    75,230.17x = 4,281,406,422.71
  5. Step 5: Solve for x
    x = 4,281,406,422.71/75,230.17
  6. Step 6: Final answer
    x = 56,910.77

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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.