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Finding the Fourth Proportional to 254,245.56, 381,349.76 and 104,445.16

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Solution

The fourth proportional to 254,245.56, 381,349.76 and 104,445.16 is: 156,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,245.56 : 381,349.76 = 104,445.16 : x
  2. Step 2: Convert to fraction form
    254,245.56/381,349.76 = 104,445.16/x
  3. Step 3: Cross multiply
    254,245.56x = 381,349.76 × 104,445.16
  4. Step 4: Simplify right side
    254,245.56x = 39,830,136,699.16
  5. Step 5: Solve for x
    x = 39,830,136,699.16/254,245.56
  6. Step 6: Final answer
    x = 156,660.11

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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.