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Finding the Fourth Proportional to 255,955.72, 353,218.48 and 141,234.27

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Solution

The fourth proportional to 255,955.72, 353,218.48 and 141,234.27 is: 194,903.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,955.72 : 353,218.48 = 141,234.27 : x
  2. Step 2: Convert to fraction form
    255,955.72/353,218.48 = 141,234.27/x
  3. Step 3: Cross multiply
    255,955.72x = 353,218.48 × 141,234.27
  4. Step 4: Simplify right side
    255,955.72x = 49,886,552,967.50
  5. Step 5: Solve for x
    x = 49,886,552,967.50/255,955.72
  6. Step 6: Final answer
    x = 194,903.06

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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.