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Finding the Fourth Proportional to 141,550.97, 195,334.48 and 77,020.48

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Solution

The fourth proportional to 141,550.97, 195,334.48 and 77,020.48 is: 106,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,550.97 : 195,334.48 = 77,020.48 : x
  2. Step 2: Convert to fraction form
    141,550.97/195,334.48 = 77,020.48/x
  3. Step 3: Cross multiply
    141,550.97x = 195,334.48 × 77,020.48
  4. Step 4: Simplify right side
    141,550.97x = 15,044,754,921.81
  5. Step 5: Solve for x
    x = 15,044,754,921.81/141,550.97
  6. Step 6: Final answer
    x = 106,285.07

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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.