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Finding the Fourth Proportional to 224,684.05, 309,921.62 and 170,851.05

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Solution

The fourth proportional to 224,684.05, 309,921.62 and 170,851.05 is: 235,666.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,684.05 : 309,921.62 = 170,851.05 : x
  2. Step 2: Convert to fraction form
    224,684.05/309,921.62 = 170,851.05/x
  3. Step 3: Cross multiply
    224,684.05x = 309,921.62 × 170,851.05
  4. Step 4: Simplify right side
    224,684.05x = 52,950,434,194.70
  5. Step 5: Solve for x
    x = 52,950,434,194.70/224,684.05
  6. Step 6: Final answer
    x = 235,666.19

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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.