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Finding the Fourth Proportional to 140,488.88, 210,511.38 and 114,064.52

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Solution

The fourth proportional to 140,488.88, 210,511.38 and 114,064.52 is: 170,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,488.88 : 210,511.38 = 114,064.52 : x
  2. Step 2: Convert to fraction form
    140,488.88/210,511.38 = 114,064.52/x
  3. Step 3: Cross multiply
    140,488.88x = 210,511.38 × 114,064.52
  4. Step 4: Simplify right side
    140,488.88x = 24,011,879,514.24
  5. Step 5: Solve for x
    x = 24,011,879,514.24/140,488.88
  6. Step 6: Final answer
    x = 170,916.58

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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.