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Finding the Fourth Proportional to 229,955.53, 344,933.40 and 103,448.01

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Solution

The fourth proportional to 229,955.53, 344,933.40 and 103,448.01 is: 155,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,955.53 : 344,933.40 = 103,448.01 : x
  2. Step 2: Convert to fraction form
    229,955.53/344,933.40 = 103,448.01/x
  3. Step 3: Cross multiply
    229,955.53x = 344,933.40 × 103,448.01
  4. Step 4: Simplify right side
    229,955.53x = 35,682,673,812.53
  5. Step 5: Solve for x
    x = 35,682,673,812.53/229,955.53
  6. Step 6: Final answer
    x = 155,172.06

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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.