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Finding the Fourth Proportional to 222,023.10, 333,034.65 and 128,711.10

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Solution

The fourth proportional to 222,023.10, 333,034.65 and 128,711.10 is: 193,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,023.10 : 333,034.65 = 128,711.10 : x
  2. Step 2: Convert to fraction form
    222,023.10/333,034.65 = 128,711.10/x
  3. Step 3: Cross multiply
    222,023.10x = 333,034.65 × 128,711.10
  4. Step 4: Simplify right side
    222,023.10x = 42,865,256,139.62
  5. Step 5: Solve for x
    x = 42,865,256,139.62/222,023.10
  6. Step 6: Final answer
    x = 193,066.65

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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.