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Finding the Fourth Proportional to 104,820.64, 157,255.54 and 34,699.94

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Solution

The fourth proportional to 104,820.64, 157,255.54 and 34,699.94 is: 52,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,820.64 : 157,255.54 = 34,699.94 : x
  2. Step 2: Convert to fraction form
    104,820.64/157,255.54 = 34,699.94/x
  3. Step 3: Cross multiply
    104,820.64x = 157,255.54 × 34,699.94
  4. Step 4: Simplify right side
    104,820.64x = 5,456,757,802.67
  5. Step 5: Solve for x
    x = 5,456,757,802.67/104,820.64
  6. Step 6: Final answer
    x = 52,058.05

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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.