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Finding the Fourth Proportional to 200,029.67, 276,045.75 and 113,986.81

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Solution

The fourth proportional to 200,029.67, 276,045.75 and 113,986.81 is: 157,304.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,029.67 : 276,045.75 = 113,986.81 : x
  2. Step 2: Convert to fraction form
    200,029.67/276,045.75 = 113,986.81/x
  3. Step 3: Cross multiply
    200,029.67x = 276,045.75 × 113,986.81
  4. Step 4: Simplify right side
    200,029.67x = 31,465,574,009.56
  5. Step 5: Solve for x
    x = 31,465,574,009.56/200,029.67
  6. Step 6: Final answer
    x = 157,304.53

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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.