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Finding the Fourth Proportional to 358,118.98, 537,184.65 and 121,467.76

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Solution

The fourth proportional to 358,118.98, 537,184.65 and 121,467.76 is: 182,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,118.98 : 537,184.65 = 121,467.76 : x
  2. Step 2: Convert to fraction form
    358,118.98/537,184.65 = 121,467.76/x
  3. Step 3: Cross multiply
    358,118.98x = 537,184.65 × 121,467.76
  4. Step 4: Simplify right side
    358,118.98x = 65,250,616,141.88
  5. Step 5: Solve for x
    x = 65,250,616,141.88/358,118.98
  6. Step 6: Final answer
    x = 182,203.74

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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.