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Finding the Fourth Proportional to 196,373, 294,582.57 and 70,031.21

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Solution

The fourth proportional to 196,373, 294,582.57 and 70,031.21 is: 105,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,373 : 294,582.57 = 70,031.21 : x
  2. Step 2: Convert to fraction form
    196,373/294,582.57 = 70,031.21/x
  3. Step 3: Cross multiply
    196,373x = 294,582.57 × 70,031.21
  4. Step 4: Simplify right side
    196,373x = 20,629,972,349.10
  5. Step 5: Solve for x
    x = 20,629,972,349.10/196,373
  6. Step 6: Final answer
    x = 105,055.03

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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.