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Finding the Fourth Proportional to 251,567.30, 377,642.55 and 151,840.10

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Solution

The fourth proportional to 251,567.30, 377,642.55 and 151,840.10 is: 227,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,567.30 : 377,642.55 = 151,840.10 : x
  2. Step 2: Convert to fraction form
    251,567.30/377,642.55 = 151,840.10/x
  3. Step 3: Cross multiply
    251,567.30x = 377,642.55 × 151,840.10
  4. Step 4: Simplify right side
    251,567.30x = 57,341,282,556.26
  5. Step 5: Solve for x
    x = 57,341,282,556.26/251,567.30
  6. Step 6: Final answer
    x = 227,936.15

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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.