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Finding the Fourth Proportional to 196,487, 271,152.10 and 107,063

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Solution

The fourth proportional to 196,487, 271,152.10 and 107,063 is: 147,746.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,487 : 271,152.10 = 107,063 : x
  2. Step 2: Convert to fraction form
    196,487/271,152.10 = 107,063/x
  3. Step 3: Cross multiply
    196,487x = 271,152.10 × 107,063
  4. Step 4: Simplify right side
    196,487x = 29,030,357,282.30
  5. Step 5: Solve for x
    x = 29,030,357,282.30/196,487
  6. Step 6: Final answer
    x = 147,746.96

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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.