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Finding the Fourth Proportional to 271,758.31, 375,056.44 and 155,482.58

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Solution

The fourth proportional to 271,758.31, 375,056.44 and 155,482.58 is: 214,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,758.31 : 375,056.44 = 155,482.58 : x
  2. Step 2: Convert to fraction form
    271,758.31/375,056.44 = 155,482.58/x
  3. Step 3: Cross multiply
    271,758.31x = 375,056.44 × 155,482.58
  4. Step 4: Simplify right side
    271,758.31x = 58,314,742,936.82
  5. Step 5: Solve for x
    x = 58,314,742,936.82/271,758.31
  6. Step 6: Final answer
    x = 214,583.11

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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.