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Finding the Fourth Proportional to 222,657.56, 333,432.60 and 155,784.62

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Solution

The fourth proportional to 222,657.56, 333,432.60 and 155,784.62 is: 233,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,657.56 : 333,432.60 = 155,784.62 : x
  2. Step 2: Convert to fraction form
    222,657.56/333,432.60 = 155,784.62/x
  3. Step 3: Cross multiply
    222,657.56x = 333,432.60 × 155,784.62
  4. Step 4: Simplify right side
    222,657.56x = 51,943,670,886.61
  5. Step 5: Solve for x
    x = 51,943,670,886.61/222,657.56
  6. Step 6: Final answer
    x = 233,289.50

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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.