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Finding the Fourth Proportional to 255,176.40, 352,140.63 and 140,452.59

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Solution

The fourth proportional to 255,176.40, 352,140.63 and 140,452.59 is: 193,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,176.40 : 352,140.63 = 140,452.59 : x
  2. Step 2: Convert to fraction form
    255,176.40/352,140.63 = 140,452.59/x
  3. Step 3: Cross multiply
    255,176.40x = 352,140.63 × 140,452.59
  4. Step 4: Simplify right side
    255,176.40x = 49,459,063,527.73
  5. Step 5: Solve for x
    x = 49,459,063,527.73/255,176.40
  6. Step 6: Final answer
    x = 193,823.03

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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.