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Finding the Fourth Proportional to 358,257.56, 537,393.62 and 121,599.86

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Solution

The fourth proportional to 358,257.56, 537,393.62 and 121,599.86 is: 182,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,257.56 : 537,393.62 = 121,599.86 : x
  2. Step 2: Convert to fraction form
    358,257.56/537,393.62 = 121,599.86/x
  3. Step 3: Cross multiply
    358,257.56x = 537,393.62 × 121,599.86
  4. Step 4: Simplify right side
    358,257.56x = 65,346,986,573.92
  5. Step 5: Solve for x
    x = 65,346,986,573.92/358,257.56
  6. Step 6: Final answer
    x = 182,402.26

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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.