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Finding the Fourth Proportional to 228,009.72, 341,830.02 and 94,989.90

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Solution

The fourth proportional to 228,009.72, 341,830.02 and 94,989.90 is: 142,407.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,009.72 : 341,830.02 = 94,989.90 : x
  2. Step 2: Convert to fraction form
    228,009.72/341,830.02 = 94,989.90/x
  3. Step 3: Cross multiply
    228,009.72x = 341,830.02 × 94,989.90
  4. Step 4: Simplify right side
    228,009.72x = 32,470,399,416.80
  5. Step 5: Solve for x
    x = 32,470,399,416.80/228,009.72
  6. Step 6: Final answer
    x = 142,407.96

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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.