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Finding the Fourth Proportional to 134,762, 202,187.64 and 41,268.56

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Solution

The fourth proportional to 134,762, 202,187.64 and 41,268.56 is: 61,916.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,762 : 202,187.64 = 41,268.56 : x
  2. Step 2: Convert to fraction form
    134,762/202,187.64 = 41,268.56/x
  3. Step 3: Cross multiply
    134,762x = 202,187.64 × 41,268.56
  4. Step 4: Simplify right side
    134,762x = 8,343,992,752.60
  5. Step 5: Solve for x
    x = 8,343,992,752.60/134,762
  6. Step 6: Final answer
    x = 61,916.51

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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.