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Finding the Fourth Proportional to 228,907.82, 341,969.34 and 148,289.54

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Solution

The fourth proportional to 228,907.82, 341,969.34 and 148,289.54 is: 221,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,907.82 : 341,969.34 = 148,289.54 : x
  2. Step 2: Convert to fraction form
    228,907.82/341,969.34 = 148,289.54/x
  3. Step 3: Cross multiply
    228,907.82x = 341,969.34 × 148,289.54
  4. Step 4: Simplify right side
    228,907.82x = 50,710,474,968.94
  5. Step 5: Solve for x
    x = 50,710,474,968.94/228,907.82
  6. Step 6: Final answer
    x = 221,532.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.