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Finding the Fourth Proportional to 234,403.54, 351,602.74 and 56,910.48

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Solution

The fourth proportional to 234,403.54, 351,602.74 and 56,910.48 is: 85,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,403.54 : 351,602.74 = 56,910.48 : x
  2. Step 2: Convert to fraction form
    234,403.54/351,602.74 = 56,910.48/x
  3. Step 3: Cross multiply
    234,403.54x = 351,602.74 × 56,910.48
  4. Step 4: Simplify right side
    234,403.54x = 20,009,880,702.72
  5. Step 5: Solve for x
    x = 20,009,880,702.72/234,403.54
  6. Step 6: Final answer
    x = 85,365.10

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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.