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Finding the Fourth Proportional to 121,785.88, 182,697.05 and 37,539.04

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Solution

The fourth proportional to 121,785.88, 182,697.05 and 37,539.04 is: 56,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,785.88 : 182,697.05 = 37,539.04 : x
  2. Step 2: Convert to fraction form
    121,785.88/182,697.05 = 37,539.04/x
  3. Step 3: Cross multiply
    121,785.88x = 182,697.05 × 37,539.04
  4. Step 4: Simplify right side
    121,785.88x = 6,858,271,680.14
  5. Step 5: Solve for x
    x = 6,858,271,680.14/121,785.88
  6. Step 6: Final answer
    x = 56,314.18

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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.