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Finding the Fourth Proportional to 363,927.40, 545,907.30 and 124,037.80

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Solution

The fourth proportional to 363,927.40, 545,907.30 and 124,037.80 is: 186,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,927.40 : 545,907.30 = 124,037.80 : x
  2. Step 2: Convert to fraction form
    363,927.40/545,907.30 = 124,037.80/x
  3. Step 3: Cross multiply
    363,927.40x = 545,907.30 × 124,037.80
  4. Step 4: Simplify right side
    363,927.40x = 67,713,140,495.94
  5. Step 5: Solve for x
    x = 67,713,140,495.94/363,927.40
  6. Step 6: Final answer
    x = 186,062.22

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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.