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Finding the Fourth Proportional to 104,039.61, 143,575.34 and 61,010.34

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Solution

The fourth proportional to 104,039.61, 143,575.34 and 61,010.34 is: 84,194.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,039.61 : 143,575.34 = 61,010.34 : x
  2. Step 2: Convert to fraction form
    104,039.61/143,575.34 = 61,010.34/x
  3. Step 3: Cross multiply
    104,039.61x = 143,575.34 × 61,010.34
  4. Step 4: Simplify right side
    104,039.61x = 8,759,580,003.96
  5. Step 5: Solve for x
    x = 8,759,580,003.96/104,039.61
  6. Step 6: Final answer
    x = 84,194.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.