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Finding the Fourth Proportional to 222,390.02, 333,659.10 and 147,803.60

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Solution

The fourth proportional to 222,390.02, 333,659.10 and 147,803.60 is: 221,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,390.02 : 333,659.10 = 147,803.60 : x
  2. Step 2: Convert to fraction form
    222,390.02/333,659.10 = 147,803.60/x
  3. Step 3: Cross multiply
    222,390.02x = 333,659.10 × 147,803.60
  4. Step 4: Simplify right side
    222,390.02x = 49,316,016,152.76
  5. Step 5: Solve for x
    x = 49,316,016,152.76/222,390.02
  6. Step 6: Final answer
    x = 221,754.63

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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.