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Finding the Fourth Proportional to 228,705.60, 343,032.43 and 60,239.11

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Solution

The fourth proportional to 228,705.60, 343,032.43 and 60,239.11 is: 90,351.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,705.60 : 343,032.43 = 60,239.11 : x
  2. Step 2: Convert to fraction form
    228,705.60/343,032.43 = 60,239.11/x
  3. Step 3: Cross multiply
    228,705.60x = 343,032.43 × 60,239.11
  4. Step 4: Simplify right side
    228,705.60x = 20,663,968,284.34
  5. Step 5: Solve for x
    x = 20,663,968,284.34/228,705.60
  6. Step 6: Final answer
    x = 90,351.82

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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.