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Finding the Fourth Proportional to 188,439.90, 264,515.70 and 188,439.90

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Solution

The fourth proportional to 188,439.90, 264,515.70 and 188,439.90 is: 264,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,439.90 : 264,515.70 = 188,439.90 : x
  2. Step 2: Convert to fraction form
    188,439.90/264,515.70 = 188,439.90/x
  3. Step 3: Cross multiply
    188,439.90x = 264,515.70 × 188,439.90
  4. Step 4: Simplify right side
    188,439.90x = 49,845,312,056.43
  5. Step 5: Solve for x
    x = 49,845,312,056.43/188,439.90
  6. Step 6: Final answer
    x = 264,515.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.