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Finding the Fourth Proportional to 362,358, 543,633.39 and 125,700.30

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Solution

The fourth proportional to 362,358, 543,633.39 and 125,700.30 is: 188,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,358 : 543,633.39 = 125,700.30 : x
  2. Step 2: Convert to fraction form
    362,358/543,633.39 = 125,700.30/x
  3. Step 3: Cross multiply
    362,358x = 543,633.39 × 125,700.30
  4. Step 4: Simplify right side
    362,358x = 68,334,880,213.02
  5. Step 5: Solve for x
    x = 68,334,880,213.02/362,358
  6. Step 6: Final answer
    x = 188,583.89

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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.