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Finding the Fourth Proportional to 153,916.60, 230,486.10 and 101,039.80

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Solution

The fourth proportional to 153,916.60, 230,486.10 and 101,039.80 is: 151,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,916.60 : 230,486.10 = 101,039.80 : x
  2. Step 2: Convert to fraction form
    153,916.60/230,486.10 = 101,039.80/x
  3. Step 3: Cross multiply
    153,916.60x = 230,486.10 × 101,039.80
  4. Step 4: Simplify right side
    153,916.60x = 23,288,269,446.78
  5. Step 5: Solve for x
    x = 23,288,269,446.78/153,916.60
  6. Step 6: Final answer
    x = 151,304.47

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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.