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Finding the Fourth Proportional to 104,894.99, 144,755.10 and 57,148.34

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Solution

The fourth proportional to 104,894.99, 144,755.10 and 57,148.34 is: 78,864.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,894.99 : 144,755.10 = 57,148.34 : x
  2. Step 2: Convert to fraction form
    104,894.99/144,755.10 = 57,148.34/x
  3. Step 3: Cross multiply
    104,894.99x = 144,755.10 × 57,148.34
  4. Step 4: Simplify right side
    104,894.99x = 8,272,512,947.76
  5. Step 5: Solve for x
    x = 8,272,512,947.76/104,894.99
  6. Step 6: Final answer
    x = 78,864.71

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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.