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Finding the Fourth Proportional to 110,730.75, 152,808.57 and 60,429.75

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Solution

The fourth proportional to 110,730.75, 152,808.57 and 60,429.75 is: 83,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,730.75 : 152,808.57 = 60,429.75 : x
  2. Step 2: Convert to fraction form
    110,730.75/152,808.57 = 60,429.75/x
  3. Step 3: Cross multiply
    110,730.75x = 152,808.57 × 60,429.75
  4. Step 4: Simplify right side
    110,730.75x = 9,234,183,682.96
  5. Step 5: Solve for x
    x = 9,234,183,682.96/110,730.75
  6. Step 6: Final answer
    x = 83,393.13

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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.