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Finding the Fourth Proportional to 114,420.10, 171,630.15 and 106,644.10

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Solution

The fourth proportional to 114,420.10, 171,630.15 and 106,644.10 is: 159,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,420.10 : 171,630.15 = 106,644.10 : x
  2. Step 2: Convert to fraction form
    114,420.10/171,630.15 = 106,644.10/x
  3. Step 3: Cross multiply
    114,420.10x = 171,630.15 × 106,644.10
  4. Step 4: Simplify right side
    114,420.10x = 18,303,342,879.62
  5. Step 5: Solve for x
    x = 18,303,342,879.62/114,420.10
  6. Step 6: Final answer
    x = 159,966.15

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1.5x scale

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.