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Finding the Fourth Proportional to 216,974.04, 299,408.04 and 126,330.72

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Solution

The fourth proportional to 216,974.04, 299,408.04 and 126,330.72 is: 174,327.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,974.04 : 299,408.04 = 126,330.72 : x
  2. Step 2: Convert to fraction form
    216,974.04/299,408.04 = 126,330.72/x
  3. Step 3: Cross multiply
    216,974.04x = 299,408.04 × 126,330.72
  4. Step 4: Simplify right side
    216,974.04x = 37,824,433,266.99
  5. Step 5: Solve for x
    x = 37,824,433,266.99/216,974.04
  6. Step 6: Final answer
    x = 174,327.00

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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.