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Finding the Fourth Proportional to 255,933, 353,171.52 and 141,213

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Solution

The fourth proportional to 255,933, 353,171.52 and 141,213 is: 194,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,933 : 353,171.52 = 141,213 : x
  2. Step 2: Convert to fraction form
    255,933/353,171.52 = 141,213/x
  3. Step 3: Cross multiply
    255,933x = 353,171.52 × 141,213
  4. Step 4: Simplify right side
    255,933x = 49,872,409,853.76
  5. Step 5: Solve for x
    x = 49,872,409,853.76/255,933
  6. Step 6: Final answer
    x = 194,865.10

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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.