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Finding the Fourth Proportional to 358,855.25, 538,264.98 and 134,199.17

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Solution

The fourth proportional to 358,855.25, 538,264.98 and 134,199.17 is: 201,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,855.25 : 538,264.98 = 134,199.17 : x
  2. Step 2: Convert to fraction form
    358,855.25/538,264.98 = 134,199.17/x
  3. Step 3: Cross multiply
    358,855.25x = 538,264.98 × 134,199.17
  4. Step 4: Simplify right side
    358,855.25x = 72,234,712,692.45
  5. Step 5: Solve for x
    x = 72,234,712,692.45/358,855.25
  6. Step 6: Final answer
    x = 201,292.06

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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.