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Finding the Fourth Proportional to 271,810.65, 375,088.41 and 150,959.72

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Solution

The fourth proportional to 271,810.65, 375,088.41 and 150,959.72 is: 208,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,810.65 : 375,088.41 = 150,959.72 : x
  2. Step 2: Convert to fraction form
    271,810.65/375,088.41 = 150,959.72/x
  3. Step 3: Cross multiply
    271,810.65x = 375,088.41 × 150,959.72
  4. Step 4: Simplify right side
    271,810.65x = 56,623,238,718.60
  5. Step 5: Solve for x
    x = 56,623,238,718.60/271,810.65
  6. Step 6: Final answer
    x = 208,318.69

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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.