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Finding the Fourth Proportional to 229,698.33, 317,008.94 and 131,590.88

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Solution

The fourth proportional to 229,698.33, 317,008.94 and 131,590.88 is: 181,609.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,698.33 : 317,008.94 = 131,590.88 : x
  2. Step 2: Convert to fraction form
    229,698.33/317,008.94 = 131,590.88/x
  3. Step 3: Cross multiply
    229,698.33x = 317,008.94 × 131,590.88
  4. Step 4: Simplify right side
    229,698.33x = 41,715,485,068.45
  5. Step 5: Solve for x
    x = 41,715,485,068.45/229,698.33
  6. Step 6: Final answer
    x = 181,609.87

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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.