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Finding the Fourth Proportional to 110,807.19, 152,919.64 and 67,773.18

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Solution

The fourth proportional to 110,807.19, 152,919.64 and 67,773.18 is: 93,530.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,807.19 : 152,919.64 = 67,773.18 : x
  2. Step 2: Convert to fraction form
    110,807.19/152,919.64 = 67,773.18/x
  3. Step 3: Cross multiply
    110,807.19x = 152,919.64 × 67,773.18
  4. Step 4: Simplify right side
    110,807.19x = 10,363,849,183.79
  5. Step 5: Solve for x
    x = 10,363,849,183.79/110,807.19
  6. Step 6: Final answer
    x = 93,530.48

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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.