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Finding the Fourth Proportional to 55,139.58, 76,061.16 and 33,903.81

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Solution

The fourth proportional to 55,139.58, 76,061.16 and 33,903.81 is: 46,767.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,139.58 : 76,061.16 = 33,903.81 : x
  2. Step 2: Convert to fraction form
    55,139.58/76,061.16 = 33,903.81/x
  3. Step 3: Cross multiply
    55,139.58x = 76,061.16 × 33,903.81
  4. Step 4: Simplify right side
    55,139.58x = 2,578,763,117.02
  5. Step 5: Solve for x
    x = 2,578,763,117.02/55,139.58
  6. Step 6: Final answer
    x = 46,767.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.