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Finding the Fourth Proportional to 228,630.06, 342,955.62 and 110,400.84

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Solution

The fourth proportional to 228,630.06, 342,955.62 and 110,400.84 is: 165,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,630.06 : 342,955.62 = 110,400.84 : x
  2. Step 2: Convert to fraction form
    228,630.06/342,955.62 = 110,400.84/x
  3. Step 3: Cross multiply
    228,630.06x = 342,955.62 × 110,400.84
  4. Step 4: Simplify right side
    228,630.06x = 37,862,588,530.72
  5. Step 5: Solve for x
    x = 37,862,588,530.72/228,630.06
  6. Step 6: Final answer
    x = 165,606.34

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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.