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Finding the Fourth Proportional to 62,637.83, 93,956.74 and 54,179.20

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Solution

The fourth proportional to 62,637.83, 93,956.74 and 54,179.20 is: 81,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,637.83 : 93,956.74 = 54,179.20 : x
  2. Step 2: Convert to fraction form
    62,637.83/93,956.74 = 54,179.20/x
  3. Step 3: Cross multiply
    62,637.83x = 93,956.74 × 54,179.20
  4. Step 4: Simplify right side
    62,637.83x = 5,090,501,007.81
  5. Step 5: Solve for x
    x = 5,090,501,007.81/62,637.83
  6. Step 6: Final answer
    x = 81,268.80

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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.