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Finding the Fourth Proportional to 105,060.48, 144,977.76 and 60,348.48

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Solution

The fourth proportional to 105,060.48, 144,977.76 and 60,348.48 is: 83,277.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,060.48 : 144,977.76 = 60,348.48 : x
  2. Step 2: Convert to fraction form
    105,060.48/144,977.76 = 60,348.48/x
  3. Step 3: Cross multiply
    105,060.48x = 144,977.76 × 60,348.48
  4. Step 4: Simplify right side
    105,060.48x = 8,749,187,449.80
  5. Step 5: Solve for x
    x = 8,749,187,449.80/105,060.48
  6. Step 6: Final answer
    x = 83,277.63

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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.