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Finding the Fourth Proportional to 114,343.19, 157,802.99 and 63,361.04

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Solution

The fourth proportional to 114,343.19, 157,802.99 and 63,361.04 is: 87,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,343.19 : 157,802.99 = 63,361.04 : x
  2. Step 2: Convert to fraction form
    114,343.19/157,802.99 = 63,361.04/x
  3. Step 3: Cross multiply
    114,343.19x = 157,802.99 × 63,361.04
  4. Step 4: Simplify right side
    114,343.19x = 9,998,560,455.69
  5. Step 5: Solve for x
    x = 9,998,560,455.69/114,343.19
  6. Step 6: Final answer
    x = 87,443.42

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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.