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Finding the Fourth Proportional to 637,855.21, 956,758.88 and 158,084.59

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Solution

The fourth proportional to 637,855.21, 956,758.88 and 158,084.59 is: 237,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,855.21 : 956,758.88 = 158,084.59 : x
  2. Step 2: Convert to fraction form
    637,855.21/956,758.88 = 158,084.59/x
  3. Step 3: Cross multiply
    637,855.21x = 956,758.88 × 158,084.59
  4. Step 4: Simplify right side
    637,855.21x = 151,248,829,699.44
  5. Step 5: Solve for x
    x = 151,248,829,699.44/637,855.21
  6. Step 6: Final answer
    x = 237,120.95

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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.