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Finding the Fourth Proportional to 216,887.09, 299,247.44 and 124,983.89

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Solution

The fourth proportional to 216,887.09, 299,247.44 and 124,983.89 is: 172,445.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,887.09 : 299,247.44 = 124,983.89 : x
  2. Step 2: Convert to fraction form
    216,887.09/299,247.44 = 124,983.89/x
  3. Step 3: Cross multiply
    216,887.09x = 299,247.44 × 124,983.89
  4. Step 4: Simplify right side
    216,887.09x = 37,401,107,002.59
  5. Step 5: Solve for x
    x = 37,401,107,002.59/216,887.09
  6. Step 6: Final answer
    x = 172,445.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.