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Finding the Fourth Proportional to 105,026.80, 157,550.02 and 41,831.68

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Solution

The fourth proportional to 105,026.80, 157,550.02 and 41,831.68 is: 62,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,026.80 : 157,550.02 = 41,831.68 : x
  2. Step 2: Convert to fraction form
    105,026.80/157,550.02 = 41,831.68/x
  3. Step 3: Cross multiply
    105,026.80x = 157,550.02 × 41,831.68
  4. Step 4: Simplify right side
    105,026.80x = 6,590,582,020.63
  5. Step 5: Solve for x
    x = 6,590,582,020.63/105,026.80
  6. Step 6: Final answer
    x = 62,751.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.