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Finding the Fourth Proportional to 75,181.94, 112,774.74 and 25,262.76

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Solution

The fourth proportional to 75,181.94, 112,774.74 and 25,262.76 is: 37,894.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,181.94 : 112,774.74 = 25,262.76 : x
  2. Step 2: Convert to fraction form
    75,181.94/112,774.74 = 25,262.76/x
  3. Step 3: Cross multiply
    75,181.94x = 112,774.74 × 25,262.76
  4. Step 4: Simplify right side
    75,181.94x = 2,849,001,190.68
  5. Step 5: Solve for x
    x = 2,849,001,190.68/75,181.94
  6. Step 6: Final answer
    x = 37,894.75

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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.