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Finding the Fourth Proportional to 161,208.40, 241,812.60 and 141,525.40

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Solution

The fourth proportional to 161,208.40, 241,812.60 and 141,525.40 is: 212,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,208.40 : 241,812.60 = 141,525.40 : x
  2. Step 2: Convert to fraction form
    161,208.40/241,812.60 = 141,525.40/x
  3. Step 3: Cross multiply
    161,208.40x = 241,812.60 × 141,525.40
  4. Step 4: Simplify right side
    161,208.40x = 34,222,624,940.04
  5. Step 5: Solve for x
    x = 34,222,624,940.04/161,208.40
  6. Step 6: Final answer
    x = 212,288.10

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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.