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Finding the Fourth Proportional to 196,488.76, 271,154.49 and 107,064.76

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Solution

The fourth proportional to 196,488.76, 271,154.49 and 107,064.76 is: 147,749.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,488.76 : 271,154.49 = 107,064.76 : x
  2. Step 2: Convert to fraction form
    196,488.76/271,154.49 = 107,064.76/x
  3. Step 3: Cross multiply
    196,488.76x = 271,154.49 × 107,064.76
  4. Step 4: Simplify right side
    196,488.76x = 29,031,090,394.77
  5. Step 5: Solve for x
    x = 29,031,090,394.77/196,488.76
  6. Step 6: Final answer
    x = 147,749.37

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1.5x scale

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.