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Finding the Fourth Proportional to 271,963.16, 375,297 and 151,112.96

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Solution

The fourth proportional to 271,963.16, 375,297 and 151,112.96 is: 208,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,963.16 : 375,297 = 151,112.96 : x
  2. Step 2: Convert to fraction form
    271,963.16/375,297 = 151,112.96/x
  3. Step 3: Cross multiply
    271,963.16x = 375,297 × 151,112.96
  4. Step 4: Simplify right side
    271,963.16x = 56,712,240,549.12
  5. Step 5: Solve for x
    x = 56,712,240,549.12/271,963.16
  6. Step 6: Final answer
    x = 208,529.13

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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.