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Finding the Fourth Proportional to 251,034.60, 376,551.90 and 151,501.80

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Solution

The fourth proportional to 251,034.60, 376,551.90 and 151,501.80 is: 227,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,034.60 : 376,551.90 = 151,501.80 : x
  2. Step 2: Convert to fraction form
    251,034.60/376,551.90 = 151,501.80/x
  3. Step 3: Cross multiply
    251,034.60x = 376,551.90 × 151,501.80
  4. Step 4: Simplify right side
    251,034.60x = 57,048,290,643.42
  5. Step 5: Solve for x
    x = 57,048,290,643.42/251,034.60
  6. Step 6: Final answer
    x = 227,252.70

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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.