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Finding the Fourth Proportional to 134,803.40, 202,205.10 and 108,559.40

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Solution

The fourth proportional to 134,803.40, 202,205.10 and 108,559.40 is: 162,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,803.40 : 202,205.10 = 108,559.40 : x
  2. Step 2: Convert to fraction form
    134,803.40/202,205.10 = 108,559.40/x
  3. Step 3: Cross multiply
    134,803.40x = 202,205.10 × 108,559.40
  4. Step 4: Simplify right side
    134,803.40x = 21,951,264,332.94
  5. Step 5: Solve for x
    x = 21,951,264,332.94/134,803.40
  6. Step 6: Final answer
    x = 162,839.10

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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.