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Finding the Fourth Proportional to 271,718.58, 375,016.32 and 158,541.06

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Solution

The fourth proportional to 271,718.58, 375,016.32 and 158,541.06 is: 218,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,718.58 : 375,016.32 = 158,541.06 : x
  2. Step 2: Convert to fraction form
    271,718.58/375,016.32 = 158,541.06/x
  3. Step 3: Cross multiply
    271,718.58x = 375,016.32 × 158,541.06
  4. Step 4: Simplify right side
    271,718.58x = 59,455,484,890.10
  5. Step 5: Solve for x
    x = 59,455,484,890.10/271,718.58
  6. Step 6: Final answer
    x = 218,812.73

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Why These Related Problems?

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