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Finding the Fourth Proportional to 184,611.32, 254,763.30 and 99,728.12

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Solution

The fourth proportional to 184,611.32, 254,763.30 and 99,728.12 is: 137,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,611.32 : 254,763.30 = 99,728.12 : x
  2. Step 2: Convert to fraction form
    184,611.32/254,763.30 = 99,728.12/x
  3. Step 3: Cross multiply
    184,611.32x = 254,763.30 × 99,728.12
  4. Step 4: Simplify right side
    184,611.32x = 25,407,064,954.00
  5. Step 5: Solve for x
    x = 25,407,064,954.00/184,611.32
  6. Step 6: Final answer
    x = 137,624.63

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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.