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Finding the Fourth Proportional to 248,986.80, 373,034.70 and 151,435.80

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Solution

The fourth proportional to 248,986.80, 373,034.70 and 151,435.80 is: 226,882.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,986.80 : 373,034.70 = 151,435.80 : x
  2. Step 2: Convert to fraction form
    248,986.80/373,034.70 = 151,435.80/x
  3. Step 3: Cross multiply
    248,986.80x = 373,034.70 × 151,435.80
  4. Step 4: Simplify right side
    248,986.80x = 56,490,808,222.26
  5. Step 5: Solve for x
    x = 56,490,808,222.26/248,986.80
  6. Step 6: Final answer
    x = 226,882.74

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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.