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Finding the Fourth Proportional to 154,632.63, 231,953.81 and 73,561.95

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Solution

The fourth proportional to 154,632.63, 231,953.81 and 73,561.95 is: 110,345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,632.63 : 231,953.81 = 73,561.95 : x
  2. Step 2: Convert to fraction form
    154,632.63/231,953.81 = 73,561.95/x
  3. Step 3: Cross multiply
    154,632.63x = 231,953.81 × 73,561.95
  4. Step 4: Simplify right side
    154,632.63x = 17,062,974,205.72
  5. Step 5: Solve for x
    x = 17,062,974,205.72/154,632.63
  6. Step 6: Final answer
    x = 110,345.24

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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.