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Finding the Fourth Proportional to 191,615.73, 264,437.87 and 106,732.83

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Solution

The fourth proportional to 191,615.73, 264,437.87 and 106,732.83 is: 147,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,615.73 : 264,437.87 = 106,732.83 : x
  2. Step 2: Convert to fraction form
    191,615.73/264,437.87 = 106,732.83/x
  3. Step 3: Cross multiply
    191,615.73x = 264,437.87 × 106,732.83
  4. Step 4: Simplify right side
    191,615.73x = 28,224,201,690.61
  5. Step 5: Solve for x
    x = 28,224,201,690.61/191,615.73
  6. Step 6: Final answer
    x = 147,295.85

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1.5x scale

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.