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Finding the Fourth Proportional to 105,053.80, 157,590.44 and 41,858.68

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Solution

The fourth proportional to 105,053.80, 157,590.44 and 41,858.68 is: 62,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,053.80 : 157,590.44 = 41,858.68 : x
  2. Step 2: Convert to fraction form
    105,053.80/157,590.44 = 41,858.68/x
  3. Step 3: Cross multiply
    105,053.80x = 157,590.44 × 41,858.68
  4. Step 4: Simplify right side
    105,053.80x = 6,596,527,799.02
  5. Step 5: Solve for x
    x = 6,596,527,799.02/105,053.80
  6. Step 6: Final answer
    x = 62,791.90

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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.