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Finding the Fourth Proportional to 151,937.40, 228,111.30 and 88,822.20

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Solution

The fourth proportional to 151,937.40, 228,111.30 and 88,822.20 is: 133,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,937.40 : 228,111.30 = 88,822.20 : x
  2. Step 2: Convert to fraction form
    151,937.40/228,111.30 = 88,822.20/x
  3. Step 3: Cross multiply
    151,937.40x = 228,111.30 × 88,822.20
  4. Step 4: Simplify right side
    151,937.40x = 20,261,347,510.86
  5. Step 5: Solve for x
    x = 20,261,347,510.86/151,937.40
  6. Step 6: Final answer
    x = 133,353.26

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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.