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Finding the Fourth Proportional to 251,232.16, 376,900.16 and 82,762.72

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Solution

The fourth proportional to 251,232.16, 376,900.16 and 82,762.72 is: 124,161.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,232.16 : 376,900.16 = 82,762.72 : x
  2. Step 2: Convert to fraction form
    251,232.16/376,900.16 = 82,762.72/x
  3. Step 3: Cross multiply
    251,232.16x = 376,900.16 × 82,762.72
  4. Step 4: Simplify right side
    251,232.16x = 31,193,282,410.04
  5. Step 5: Solve for x
    x = 31,193,282,410.04/251,232.16
  6. Step 6: Final answer
    x = 124,161.18

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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.