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Finding the Fourth Proportional to 104,580, 144,321.33 and 56,833.35

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Solution

The fourth proportional to 104,580, 144,321.33 and 56,833.35 is: 78,430.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,580 : 144,321.33 = 56,833.35 : x
  2. Step 2: Convert to fraction form
    104,580/144,321.33 = 56,833.35/x
  3. Step 3: Cross multiply
    104,580x = 144,321.33 × 56,833.35
  4. Step 4: Simplify right side
    104,580x = 8,202,264,660.36
  5. Step 5: Solve for x
    x = 8,202,264,660.36/104,580
  6. Step 6: Final answer
    x = 78,430.53

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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.