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Finding the Fourth Proportional to 255,883.49, 353,118.18 and 141,169.26

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Solution

The fourth proportional to 255,883.49, 353,118.18 and 141,169.26 is: 194,813.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,883.49 : 353,118.18 = 141,169.26 : x
  2. Step 2: Convert to fraction form
    255,883.49/353,118.18 = 141,169.26/x
  3. Step 3: Cross multiply
    255,883.49x = 353,118.18 × 141,169.26
  4. Step 4: Simplify right side
    255,883.49x = 49,849,432,163.15
  5. Step 5: Solve for x
    x = 49,849,432,163.15/255,883.49
  6. Step 6: Final answer
    x = 194,813.01

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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.