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Finding the Fourth Proportional to 91,739.30, 137,611.83 and 32,574.02

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Solution

The fourth proportional to 91,739.30, 137,611.83 and 32,574.02 is: 48,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,739.30 : 137,611.83 = 32,574.02 : x
  2. Step 2: Convert to fraction form
    91,739.30/137,611.83 = 32,574.02/x
  3. Step 3: Cross multiply
    91,739.30x = 137,611.83 × 32,574.02
  4. Step 4: Simplify right side
    91,739.30x = 4,482,570,502.66
  5. Step 5: Solve for x
    x = 4,482,570,502.66/91,739.30
  6. Step 6: Final answer
    x = 48,862.05

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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.