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Finding the Fourth Proportional to 250,652.16, 376,000.40 and 70,739.18

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Solution

The fourth proportional to 250,652.16, 376,000.40 and 70,739.18 is: 106,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,652.16 : 376,000.40 = 70,739.18 : x
  2. Step 2: Convert to fraction form
    250,652.16/376,000.40 = 70,739.18/x
  3. Step 3: Cross multiply
    250,652.16x = 376,000.40 × 70,739.18
  4. Step 4: Simplify right side
    250,652.16x = 26,597,959,975.67
  5. Step 5: Solve for x
    x = 26,597,959,975.67/250,652.16
  6. Step 6: Final answer
    x = 106,115.02

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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.