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Finding the Fourth Proportional to 191,702.46, 264,548.21 and 104,487.47

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Solution

The fourth proportional to 191,702.46, 264,548.21 and 104,487.47 is: 144,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,702.46 : 264,548.21 = 104,487.47 : x
  2. Step 2: Convert to fraction form
    191,702.46/264,548.21 = 104,487.47/x
  3. Step 3: Cross multiply
    191,702.46x = 264,548.21 × 104,487.47
  4. Step 4: Simplify right side
    191,702.46x = 27,641,971,310.75
  5. Step 5: Solve for x
    x = 27,641,971,310.75/191,702.46
  6. Step 6: Final answer
    x = 144,192.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.