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Finding the Fourth Proportional to 236,073, 325,780.74 and 130,089

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Solution

The fourth proportional to 236,073, 325,780.74 and 130,089 is: 179,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,073 : 325,780.74 = 130,089 : x
  2. Step 2: Convert to fraction form
    236,073/325,780.74 = 130,089/x
  3. Step 3: Cross multiply
    236,073x = 325,780.74 × 130,089
  4. Step 4: Simplify right side
    236,073x = 42,380,490,685.86
  5. Step 5: Solve for x
    x = 42,380,490,685.86/236,073
  6. Step 6: Final answer
    x = 179,522.82

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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.