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Finding the Fourth Proportional to 153,944.60, 230,916.90 and 104,048.60

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Solution

The fourth proportional to 153,944.60, 230,916.90 and 104,048.60 is: 156,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,944.60 : 230,916.90 = 104,048.60 : x
  2. Step 2: Convert to fraction form
    153,944.60/230,916.90 = 104,048.60/x
  3. Step 3: Cross multiply
    153,944.60x = 230,916.90 × 104,048.60
  4. Step 4: Simplify right side
    153,944.60x = 24,026,580,161.34
  5. Step 5: Solve for x
    x = 24,026,580,161.34/153,944.60
  6. Step 6: Final answer
    x = 156,072.90

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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.