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Finding the Fourth Proportional to 91,858.60, 137,826.30 and 29,548.20

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Solution

The fourth proportional to 91,858.60, 137,826.30 and 29,548.20 is: 44,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,858.60 : 137,826.30 = 29,548.20 : x
  2. Step 2: Convert to fraction form
    91,858.60/137,826.30 = 29,548.20/x
  3. Step 3: Cross multiply
    91,858.60x = 137,826.30 × 29,548.20
  4. Step 4: Simplify right side
    91,858.60x = 4,072,519,077.66
  5. Step 5: Solve for x
    x = 4,072,519,077.66/91,858.60
  6. Step 6: Final answer
    x = 44,334.65

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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.