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Finding the Fourth Proportional to 199,434.30, 299,151.45 and 181,938.30

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Solution

The fourth proportional to 199,434.30, 299,151.45 and 181,938.30 is: 272,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,434.30 : 299,151.45 = 181,938.30 : x
  2. Step 2: Convert to fraction form
    199,434.30/299,151.45 = 181,938.30/x
  3. Step 3: Cross multiply
    199,434.30x = 299,151.45 × 181,938.30
  4. Step 4: Simplify right side
    199,434.30x = 54,427,106,255.54
  5. Step 5: Solve for x
    x = 54,427,106,255.54/199,434.30
  6. Step 6: Final answer
    x = 272,907.45

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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.