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Finding the Fourth Proportional to 238,523.40, 357,763.08 and 80,733.72

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Solution

The fourth proportional to 238,523.40, 357,763.08 and 80,733.72 is: 121,093.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,523.40 : 357,763.08 = 80,733.72 : x
  2. Step 2: Convert to fraction form
    238,523.40/357,763.08 = 80,733.72/x
  3. Step 3: Cross multiply
    238,523.40x = 357,763.08 × 80,733.72
  4. Step 4: Simplify right side
    238,523.40x = 28,883,544,327.06
  5. Step 5: Solve for x
    x = 28,883,544,327.06/238,523.40
  6. Step 6: Final answer
    x = 121,093.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.