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Finding the Fourth Proportional to 496,772.94, 745,025.61 and 136,858.08

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Solution

The fourth proportional to 496,772.94, 745,025.61 and 136,858.08 is: 205,250.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,772.94 : 745,025.61 = 136,858.08 : x
  2. Step 2: Convert to fraction form
    496,772.94/745,025.61 = 136,858.08/x
  3. Step 3: Cross multiply
    496,772.94x = 745,025.61 × 136,858.08
  4. Step 4: Simplify right side
    496,772.94x = 101,962,774,535.43
  5. Step 5: Solve for x
    x = 101,962,774,535.43/496,772.94
  6. Step 6: Final answer
    x = 205,250.26

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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.