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Finding the Fourth Proportional to 259,364.08, 388,935.92 and 101,567.44

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Solution

The fourth proportional to 259,364.08, 388,935.92 and 101,567.44 is: 152,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,364.08 : 388,935.92 = 101,567.44 : x
  2. Step 2: Convert to fraction form
    259,364.08/388,935.92 = 101,567.44/x
  3. Step 3: Cross multiply
    259,364.08x = 388,935.92 × 101,567.44
  4. Step 4: Simplify right side
    259,364.08x = 39,503,225,718.44
  5. Step 5: Solve for x
    x = 39,503,225,718.44/259,364.08
  6. Step 6: Final answer
    x = 152,308.01

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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.