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Finding the Fourth Proportional to 92,661.17, 127,872.39 and 50,219.71

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Solution

The fourth proportional to 92,661.17, 127,872.39 and 50,219.71 is: 69,303.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,661.17 : 127,872.39 = 50,219.71 : x
  2. Step 2: Convert to fraction form
    92,661.17/127,872.39 = 50,219.71/x
  3. Step 3: Cross multiply
    92,661.17x = 127,872.39 × 50,219.71
  4. Step 4: Simplify right side
    92,661.17x = 6,421,714,342.81
  5. Step 5: Solve for x
    x = 6,421,714,342.81/92,661.17
  6. Step 6: Final answer
    x = 69,303.19

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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.