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Finding the Fourth Proportional to 202,503.57, 279,452.02 and 110,621.74

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Solution

The fourth proportional to 202,503.57, 279,452.02 and 110,621.74 is: 152,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,503.57 : 279,452.02 = 110,621.74 : x
  2. Step 2: Convert to fraction form
    202,503.57/279,452.02 = 110,621.74/x
  3. Step 3: Cross multiply
    202,503.57x = 279,452.02 × 110,621.74
  4. Step 4: Simplify right side
    202,503.57x = 30,913,468,145.81
  5. Step 5: Solve for x
    x = 30,913,468,145.81/202,503.57
  6. Step 6: Final answer
    x = 152,656.41

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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.