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Finding the Fourth Proportional to 371,172.53, 556,758.57 and 134,514.83

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Solution

The fourth proportional to 371,172.53, 556,758.57 and 134,514.83 is: 201,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,172.53 : 556,758.57 = 134,514.83 : x
  2. Step 2: Convert to fraction form
    371,172.53/556,758.57 = 134,514.83/x
  3. Step 3: Cross multiply
    371,172.53x = 556,758.57 × 134,514.83
  4. Step 4: Simplify right side
    371,172.53x = 74,892,284,394.59
  5. Step 5: Solve for x
    x = 74,892,284,394.59/371,172.53
  6. Step 6: Final answer
    x = 201,772.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.