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Finding the Fourth Proportional to 184,172.64, 254,160.84 and 108,721.12

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Solution

The fourth proportional to 184,172.64, 254,160.84 and 108,721.12 is: 150,036.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,172.64 : 254,160.84 = 108,721.12 : x
  2. Step 2: Convert to fraction form
    184,172.64/254,160.84 = 108,721.12/x
  3. Step 3: Cross multiply
    184,172.64x = 254,160.84 × 108,721.12
  4. Step 4: Simplify right side
    184,172.64x = 27,632,651,184.94
  5. Step 5: Solve for x
    x = 27,632,651,184.94/184,172.64
  6. Step 6: Final answer
    x = 150,036.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.