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Finding the Fourth Proportional to 250,764.32, 376,148.88 and 63,775.76

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Solution

The fourth proportional to 250,764.32, 376,148.88 and 63,775.76 is: 95,664.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,764.32 : 376,148.88 = 63,775.76 : x
  2. Step 2: Convert to fraction form
    250,764.32/376,148.88 = 63,775.76/x
  3. Step 3: Cross multiply
    250,764.32x = 376,148.88 × 63,775.76
  4. Step 4: Simplify right side
    250,764.32x = 23,989,180,695.15
  5. Step 5: Solve for x
    x = 23,989,180,695.15/250,764.32
  6. Step 6: Final answer
    x = 95,664.25

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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.