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Finding the Fourth Proportional to 364,085.44, 546,155.82 and 124,124.80

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Solution

The fourth proportional to 364,085.44, 546,155.82 and 124,124.80 is: 186,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,085.44 : 546,155.82 = 124,124.80 : x
  2. Step 2: Convert to fraction form
    364,085.44/546,155.82 = 124,124.80/x
  3. Step 3: Cross multiply
    364,085.44x = 546,155.82 × 124,124.80
  4. Step 4: Simplify right side
    364,085.44x = 67,791,481,926.34
  5. Step 5: Solve for x
    x = 67,791,481,926.34/364,085.44
  6. Step 6: Final answer
    x = 186,196.63

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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.