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Finding the Fourth Proportional to 237,999.70, 356,999.55 and 104,811.40

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Solution

The fourth proportional to 237,999.70, 356,999.55 and 104,811.40 is: 157,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,999.70 : 356,999.55 = 104,811.40 : x
  2. Step 2: Convert to fraction form
    237,999.70/356,999.55 = 104,811.40/x
  3. Step 3: Cross multiply
    237,999.70x = 356,999.55 × 104,811.40
  4. Step 4: Simplify right side
    237,999.70x = 37,417,622,634.87
  5. Step 5: Solve for x
    x = 37,417,622,634.87/237,999.70
  6. Step 6: Final answer
    x = 157,217.10

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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.