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Finding the Fourth Proportional to 192,172.64, 288,258.95 and 97,388.06

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Solution

The fourth proportional to 192,172.64, 288,258.95 and 97,388.06 is: 146,082.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,172.64 : 288,258.95 = 97,388.06 : x
  2. Step 2: Convert to fraction form
    192,172.64/288,258.95 = 97,388.06/x
  3. Step 3: Cross multiply
    192,172.64x = 288,258.95 × 97,388.06
  4. Step 4: Simplify right side
    192,172.64x = 28,072,978,720.31
  5. Step 5: Solve for x
    x = 28,072,978,720.31/192,172.64
  6. Step 6: Final answer
    x = 146,082.08

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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.