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Finding the Fourth Proportional to 364,103.84, 546,138.72 and 127,499.52

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Solution

The fourth proportional to 364,103.84, 546,138.72 and 127,499.52 is: 191,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,103.84 : 546,138.72 = 127,499.52 : x
  2. Step 2: Convert to fraction form
    364,103.84/546,138.72 = 127,499.52/x
  3. Step 3: Cross multiply
    364,103.84x = 546,138.72 × 127,499.52
  4. Step 4: Simplify right side
    364,103.84x = 69,632,424,653.41
  5. Step 5: Solve for x
    x = 69,632,424,653.41/364,103.84
  6. Step 6: Final answer
    x = 191,243.31

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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.