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Finding the Fourth Proportional to 199,647.99, 299,514.92 and 57,492.18

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Solution

The fourth proportional to 199,647.99, 299,514.92 and 57,492.18 is: 86,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,647.99 : 299,514.92 = 57,492.18 : x
  2. Step 2: Convert to fraction form
    199,647.99/299,514.92 = 57,492.18/x
  3. Step 3: Cross multiply
    199,647.99x = 299,514.92 × 57,492.18
  4. Step 4: Simplify right side
    199,647.99x = 17,219,765,405.86
  5. Step 5: Solve for x
    x = 17,219,765,405.86/199,647.99
  6. Step 6: Final answer
    x = 86,250.63

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1.5x scale

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.