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Finding the Fourth Proportional to 183,818.70, 275,728.05 and 104,940.90

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Solution

The fourth proportional to 183,818.70, 275,728.05 and 104,940.90 is: 157,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,818.70 : 275,728.05 = 104,940.90 : x
  2. Step 2: Convert to fraction form
    183,818.70/275,728.05 = 104,940.90/x
  3. Step 3: Cross multiply
    183,818.70x = 275,728.05 × 104,940.90
  4. Step 4: Simplify right side
    183,818.70x = 28,935,149,722.25
  5. Step 5: Solve for x
    x = 28,935,149,722.25/183,818.70
  6. Step 6: Final answer
    x = 157,411.35

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1.5x scale

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.