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Finding the Fourth Proportional to 357,933.51, 536,887.83 and 91,696.65

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Solution

The fourth proportional to 357,933.51, 536,887.83 and 91,696.65 is: 137,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,933.51 : 536,887.83 = 91,696.65 : x
  2. Step 2: Convert to fraction form
    357,933.51/536,887.83 = 91,696.65/x
  3. Step 3: Cross multiply
    357,933.51x = 536,887.83 × 91,696.65
  4. Step 4: Simplify right side
    357,933.51x = 49,230,815,436.77
  5. Step 5: Solve for x
    x = 49,230,815,436.77/357,933.51
  6. Step 6: Final answer
    x = 137,541.79

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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.