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Finding the Fourth Proportional to 222,155.60, 333,233.40 and 143,358.80

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Solution

The fourth proportional to 222,155.60, 333,233.40 and 143,358.80 is: 215,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,155.60 : 333,233.40 = 143,358.80 : x
  2. Step 2: Convert to fraction form
    222,155.60/333,233.40 = 143,358.80/x
  3. Step 3: Cross multiply
    222,155.60x = 333,233.40 × 143,358.80
  4. Step 4: Simplify right side
    222,155.60x = 47,771,940,343.92
  5. Step 5: Solve for x
    x = 47,771,940,343.92/222,155.60
  6. Step 6: Final answer
    x = 215,038.20

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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.