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Finding the Fourth Proportional to 101,117.80, 151,676.70 and 93,514.60

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Solution

The fourth proportional to 101,117.80, 151,676.70 and 93,514.60 is: 140,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,117.80 : 151,676.70 = 93,514.60 : x
  2. Step 2: Convert to fraction form
    101,117.80/151,676.70 = 93,514.60/x
  3. Step 3: Cross multiply
    101,117.80x = 151,676.70 × 93,514.60
  4. Step 4: Simplify right side
    101,117.80x = 14,183,985,929.82
  5. Step 5: Solve for x
    x = 14,183,985,929.82/101,117.80
  6. Step 6: Final answer
    x = 140,271.90

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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.