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Finding the Fourth Proportional to 250,803.01, 376,281.05 and 80,020.18

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Solution

The fourth proportional to 250,803.01, 376,281.05 and 80,020.18 is: 120,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,803.01 : 376,281.05 = 80,020.18 : x
  2. Step 2: Convert to fraction form
    250,803.01/376,281.05 = 80,020.18/x
  3. Step 3: Cross multiply
    250,803.01x = 376,281.05 × 80,020.18
  4. Step 4: Simplify right side
    250,803.01x = 30,110,077,351.59
  5. Step 5: Solve for x
    x = 30,110,077,351.59/250,803.01
  6. Step 6: Final answer
    x = 120,054.69

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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.