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Finding the Fourth Proportional to 121,808.64, 182,744.40 and 37,566.90

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Solution

The fourth proportional to 121,808.64, 182,744.40 and 37,566.90 is: 56,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,808.64 : 182,744.40 = 37,566.90 : x
  2. Step 2: Convert to fraction form
    121,808.64/182,744.40 = 37,566.90/x
  3. Step 3: Cross multiply
    121,808.64x = 182,744.40 × 37,566.90
  4. Step 4: Simplify right side
    121,808.64x = 6,865,140,600.36
  5. Step 5: Solve for x
    x = 6,865,140,600.36/121,808.64
  6. Step 6: Final answer
    x = 56,360.05

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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.