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Finding the Fourth Proportional to 222,648.60, 333,316.80 and 147,853.20

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Solution

The fourth proportional to 222,648.60, 333,316.80 and 147,853.20 is: 221,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,648.60 : 333,316.80 = 147,853.20 : x
  2. Step 2: Convert to fraction form
    222,648.60/333,316.80 = 147,853.20/x
  3. Step 3: Cross multiply
    222,648.60x = 333,316.80 × 147,853.20
  4. Step 4: Simplify right side
    222,648.60x = 49,281,955,493.76
  5. Step 5: Solve for x
    x = 49,281,955,493.76/222,648.60
  6. Step 6: Final answer
    x = 221,344.11

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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.