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Finding the Fourth Proportional to 255,847.74, 353,061.60 and 141,126.12

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Solution

The fourth proportional to 255,847.74, 353,061.60 and 141,126.12 is: 194,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,847.74 : 353,061.60 = 141,126.12 : x
  2. Step 2: Convert to fraction form
    255,847.74/353,061.60 = 141,126.12/x
  3. Step 3: Cross multiply
    255,847.74x = 353,061.60 × 141,126.12
  4. Step 4: Simplify right side
    255,847.74x = 49,826,213,728.99
  5. Step 5: Solve for x
    x = 49,826,213,728.99/255,847.74
  6. Step 6: Final answer
    x = 194,749.48

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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.