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Finding the Fourth Proportional to 238,300.83, 357,502.68 and 80,525.79

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Solution

The fourth proportional to 238,300.83, 357,502.68 and 80,525.79 is: 120,806.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,300.83 : 357,502.68 = 80,525.79 : x
  2. Step 2: Convert to fraction form
    238,300.83/357,502.68 = 80,525.79/x
  3. Step 3: Cross multiply
    238,300.83x = 357,502.68 × 80,525.79
  4. Step 4: Simplify right side
    238,300.83x = 28,788,185,734.12
  5. Step 5: Solve for x
    x = 28,788,185,734.12/238,300.83
  6. Step 6: Final answer
    x = 120,806.07

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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.