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Finding the Fourth Proportional to 191,615.62, 264,437.72 and 106,732.66

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Solution

The fourth proportional to 191,615.62, 264,437.72 and 106,732.66 is: 147,295.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,615.62 : 264,437.72 = 106,732.66 : x
  2. Step 2: Convert to fraction form
    191,615.62/264,437.72 = 106,732.66/x
  3. Step 3: Cross multiply
    191,615.62x = 264,437.72 × 106,732.66
  4. Step 4: Simplify right side
    191,615.62x = 28,224,141,259.94
  5. Step 5: Solve for x
    x = 28,224,141,259.94/191,615.62
  6. Step 6: Final answer
    x = 147,295.62

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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.