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Finding the Fourth Proportional to 100,376.10, 150,462.90 and 37,155.60

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Solution

The fourth proportional to 100,376.10, 150,462.90 and 37,155.60 is: 55,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,376.10 : 150,462.90 = 37,155.60 : x
  2. Step 2: Convert to fraction form
    100,376.10/150,462.90 = 37,155.60/x
  3. Step 3: Cross multiply
    100,376.10x = 150,462.90 × 37,155.60
  4. Step 4: Simplify right side
    100,376.10x = 5,590,539,327.24
  5. Step 5: Solve for x
    x = 5,590,539,327.24/100,376.10
  6. Step 6: Final answer
    x = 55,695.92

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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.