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Finding the Fourth Proportional to 250,817.92, 376,225.84 and 90,856.42

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Solution

The fourth proportional to 250,817.92, 376,225.84 and 90,856.42 is: 136,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,817.92 : 376,225.84 = 90,856.42 : x
  2. Step 2: Convert to fraction form
    250,817.92/376,225.84 = 90,856.42/x
  3. Step 3: Cross multiply
    250,817.92x = 376,225.84 × 90,856.42
  4. Step 4: Simplify right side
    250,817.92x = 34,182,532,933.89
  5. Step 5: Solve for x
    x = 34,182,532,933.89/250,817.92
  6. Step 6: Final answer
    x = 136,284.25

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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.