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Finding the Fourth Proportional to 100,670.40, 151,005.60 and 41,475.60

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Solution

The fourth proportional to 100,670.40, 151,005.60 and 41,475.60 is: 62,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,670.40 : 151,005.60 = 41,475.60 : x
  2. Step 2: Convert to fraction form
    100,670.40/151,005.60 = 41,475.60/x
  3. Step 3: Cross multiply
    100,670.40x = 151,005.60 × 41,475.60
  4. Step 4: Simplify right side
    100,670.40x = 6,263,047,863.36
  5. Step 5: Solve for x
    x = 6,263,047,863.36/100,670.40
  6. Step 6: Final answer
    x = 62,213.40

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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.