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Finding the Fourth Proportional to 222,569.80, 333,854.70 and 133,777.60

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Solution

The fourth proportional to 222,569.80, 333,854.70 and 133,777.60 is: 200,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,569.80 : 333,854.70 = 133,777.60 : x
  2. Step 2: Convert to fraction form
    222,569.80/333,854.70 = 133,777.60/x
  3. Step 3: Cross multiply
    222,569.80x = 333,854.70 × 133,777.60
  4. Step 4: Simplify right side
    222,569.80x = 44,662,280,514.72
  5. Step 5: Solve for x
    x = 44,662,280,514.72/222,569.80
  6. Step 6: Final answer
    x = 200,666.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.