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Finding the Fourth Proportional to 201,868.90, 302,544.15 and 154,888.90

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Solution

The fourth proportional to 201,868.90, 302,544.15 and 154,888.90 is: 232,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,868.90 : 302,544.15 = 154,888.90 : x
  2. Step 2: Convert to fraction form
    201,868.90/302,544.15 = 154,888.90/x
  3. Step 3: Cross multiply
    201,868.90x = 302,544.15 × 154,888.90
  4. Step 4: Simplify right side
    201,868.90x = 46,860,730,594.94
  5. Step 5: Solve for x
    x = 46,860,730,594.94/201,868.90
  6. Step 6: Final answer
    x = 232,134.47

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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.