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Finding the Fourth Proportional to 105,054.62, 157,591.71 and 41,859.36

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Solution

The fourth proportional to 105,054.62, 157,591.71 and 41,859.36 is: 62,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,054.62 : 157,591.71 = 41,859.36 : x
  2. Step 2: Convert to fraction form
    105,054.62/157,591.71 = 41,859.36/x
  3. Step 3: Cross multiply
    105,054.62x = 157,591.71 × 41,859.36
  4. Step 4: Simplify right side
    105,054.62x = 6,596,688,121.91
  5. Step 5: Solve for x
    x = 6,596,688,121.91/105,054.62
  6. Step 6: Final answer
    x = 62,792.94

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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.