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Finding the Fourth Proportional to 255,850.50, 353,065.02 and 141,133.70

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Solution

The fourth proportional to 255,850.50, 353,065.02 and 141,133.70 is: 194,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,850.50 : 353,065.02 = 141,133.70 : x
  2. Step 2: Convert to fraction form
    255,850.50/353,065.02 = 141,133.70/x
  3. Step 3: Cross multiply
    255,850.50x = 353,065.02 × 141,133.70
  4. Step 4: Simplify right side
    255,850.50x = 49,829,372,613.17
  5. Step 5: Solve for x
    x = 49,829,372,613.17/255,850.50
  6. Step 6: Final answer
    x = 194,759.72

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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.