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Finding the Fourth Proportional to 111,153.47, 166,730.21 and 37,333.31

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Solution

The fourth proportional to 111,153.47, 166,730.21 and 37,333.31 is: 55,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,153.47 : 166,730.21 = 37,333.31 : x
  2. Step 2: Convert to fraction form
    111,153.47/166,730.21 = 37,333.31/x
  3. Step 3: Cross multiply
    111,153.47x = 166,730.21 × 37,333.31
  4. Step 4: Simplify right side
    111,153.47x = 6,224,590,429.63
  5. Step 5: Solve for x
    x = 6,224,590,429.63/111,153.47
  6. Step 6: Final answer
    x = 55,999.97

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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.