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Finding the Fourth Proportional to 117,766.40, 176,588.80 and 34,649.60

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Solution

The fourth proportional to 117,766.40, 176,588.80 and 34,649.60 is: 51,956.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,766.40 : 176,588.80 = 34,649.60 : x
  2. Step 2: Convert to fraction form
    117,766.40/176,588.80 = 34,649.60/x
  3. Step 3: Cross multiply
    117,766.40x = 176,588.80 × 34,649.60
  4. Step 4: Simplify right side
    117,766.40x = 6,118,731,284.48
  5. Step 5: Solve for x
    x = 6,118,731,284.48/117,766.40
  6. Step 6: Final answer
    x = 51,956.51

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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.