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Finding the Fourth Proportional to 110,497.56, 152,544.42 and 86,246.52

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Solution

The fourth proportional to 110,497.56, 152,544.42 and 86,246.52 is: 119,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,497.56 : 152,544.42 = 86,246.52 : x
  2. Step 2: Convert to fraction form
    110,497.56/152,544.42 = 86,246.52/x
  3. Step 3: Cross multiply
    110,497.56x = 152,544.42 × 86,246.52
  4. Step 4: Simplify right side
    110,497.56x = 13,156,425,370.42
  5. Step 5: Solve for x
    x = 13,156,425,370.42/110,497.56
  6. Step 6: Final answer
    x = 119,065.30

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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.