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Finding the Fourth Proportional to 196,691.51, 294,402.80 and 101,791.13

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Solution

The fourth proportional to 196,691.51, 294,402.80 and 101,791.13 is: 152,358.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,691.51 : 294,402.80 = 101,791.13 : x
  2. Step 2: Convert to fraction form
    196,691.51/294,402.80 = 101,791.13/x
  3. Step 3: Cross multiply
    196,691.51x = 294,402.80 × 101,791.13
  4. Step 4: Simplify right side
    196,691.51x = 29,967,594,125.64
  5. Step 5: Solve for x
    x = 29,967,594,125.64/196,691.51
  6. Step 6: Final answer
    x = 152,358.35

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1.5x scale

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.