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Finding the Fourth Proportional to 121,652.79, 182,496.54 and 37,419.98

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Solution

The fourth proportional to 121,652.79, 182,496.54 and 37,419.98 is: 56,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,652.79 : 182,496.54 = 37,419.98 : x
  2. Step 2: Convert to fraction form
    121,652.79/182,496.54 = 37,419.98/x
  3. Step 3: Cross multiply
    121,652.79x = 182,496.54 × 37,419.98
  4. Step 4: Simplify right side
    121,652.79x = 6,829,016,104.71
  5. Step 5: Solve for x
    x = 6,829,016,104.71/121,652.79
  6. Step 6: Final answer
    x = 56,135.30

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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.