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Finding the Fourth Proportional to 98,994, 148,514.36 and 33,330

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Solution

The fourth proportional to 98,994, 148,514.36 and 33,330 is: 50,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,994 : 148,514.36 = 33,330 : x
  2. Step 2: Convert to fraction form
    98,994/148,514.36 = 33,330/x
  3. Step 3: Cross multiply
    98,994x = 148,514.36 × 33,330
  4. Step 4: Simplify right side
    98,994x = 4,949,983,618.80
  5. Step 5: Solve for x
    x = 4,949,983,618.80/98,994
  6. Step 6: Final answer
    x = 50,002.87

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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.