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Finding the Fourth Proportional to 75,223.76, 112,773.10 and 35,223.07

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Solution

The fourth proportional to 75,223.76, 112,773.10 and 35,223.07 is: 52,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,223.76 : 112,773.10 = 35,223.07 : x
  2. Step 2: Convert to fraction form
    75,223.76/112,773.10 = 35,223.07/x
  3. Step 3: Cross multiply
    75,223.76x = 112,773.10 × 35,223.07
  4. Step 4: Simplify right side
    75,223.76x = 3,972,214,425.43
  5. Step 5: Solve for x
    x = 3,972,214,425.43/75,223.76
  6. Step 6: Final answer
    x = 52,805.32

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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.