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Finding the Fourth Proportional to 104,840.82, 157,285.82 and 34,720.15

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Solution

The fourth proportional to 104,840.82, 157,285.82 and 34,720.15 is: 52,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,840.82 : 157,285.82 = 34,720.15 : x
  2. Step 2: Convert to fraction form
    104,840.82/157,285.82 = 34,720.15/x
  3. Step 3: Cross multiply
    104,840.82x = 157,285.82 × 34,720.15
  4. Step 4: Simplify right side
    104,840.82x = 5,460,987,263.27
  5. Step 5: Solve for x
    x = 5,460,987,263.27/104,840.82
  6. Step 6: Final answer
    x = 52,088.37

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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.