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Finding the Fourth Proportional to 196,101.58, 294,055.21 and 69,722.89

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Solution

The fourth proportional to 196,101.58, 294,055.21 and 69,722.89 is: 104,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,101.58 : 294,055.21 = 69,722.89 : x
  2. Step 2: Convert to fraction form
    196,101.58/294,055.21 = 69,722.89/x
  3. Step 3: Cross multiply
    196,101.58x = 294,055.21 × 69,722.89
  4. Step 4: Simplify right side
    196,101.58x = 20,502,379,060.76
  5. Step 5: Solve for x
    x = 20,502,379,060.76/196,101.58
  6. Step 6: Final answer
    x = 104,549.79

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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.