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Finding the Fourth Proportional to 83,568.51, 115,324.70 and 45,843.03

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Solution

The fourth proportional to 83,568.51, 115,324.70 and 45,843.03 is: 63,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,568.51 : 115,324.70 = 45,843.03 : x
  2. Step 2: Convert to fraction form
    83,568.51/115,324.70 = 45,843.03/x
  3. Step 3: Cross multiply
    83,568.51x = 115,324.70 × 45,843.03
  4. Step 4: Simplify right side
    83,568.51x = 5,286,833,452.63
  5. Step 5: Solve for x
    x = 5,286,833,452.63/83,568.51
  6. Step 6: Final answer
    x = 63,263.46

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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.