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Finding the Fourth Proportional to 169,916.70, 254,875.05 and 153,003.90

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Solution

The fourth proportional to 169,916.70, 254,875.05 and 153,003.90 is: 229,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,916.70 : 254,875.05 = 153,003.90 : x
  2. Step 2: Convert to fraction form
    169,916.70/254,875.05 = 153,003.90/x
  3. Step 3: Cross multiply
    169,916.70x = 254,875.05 × 153,003.90
  4. Step 4: Simplify right side
    169,916.70x = 38,996,876,662.70
  5. Step 5: Solve for x
    x = 38,996,876,662.70/169,916.70
  6. Step 6: Final answer
    x = 229,505.85

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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.