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Finding the Fourth Proportional to 199,549.37, 299,313.11 and 120,642.41

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Solution

The fourth proportional to 199,549.37, 299,313.11 and 120,642.41 is: 180,957.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,549.37 : 299,313.11 = 120,642.41 : x
  2. Step 2: Convert to fraction form
    199,549.37/299,313.11 = 120,642.41/x
  3. Step 3: Cross multiply
    199,549.37x = 299,313.11 × 120,642.41
  4. Step 4: Simplify right side
    199,549.37x = 36,109,853,740.04
  5. Step 5: Solve for x
    x = 36,109,853,740.04/199,549.37
  6. Step 6: Final answer
    x = 180,957.00

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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.