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Finding the Fourth Proportional to 104,670.81, 157,323.42 and 69,252.93

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Solution

The fourth proportional to 104,670.81, 157,323.42 and 69,252.93 is: 104,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,670.81 : 157,323.42 = 69,252.93 : x
  2. Step 2: Convert to fraction form
    104,670.81/157,323.42 = 69,252.93/x
  3. Step 3: Cross multiply
    104,670.81x = 157,323.42 × 69,252.93
  4. Step 4: Simplify right side
    104,670.81x = 10,895,107,792.62
  5. Step 5: Solve for x
    x = 10,895,107,792.62/104,670.81
  6. Step 6: Final answer
    x = 104,089.27

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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.