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Finding the Fourth Proportional to 104,384, 144,045.72 and 56,635.52

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Solution

The fourth proportional to 104,384, 144,045.72 and 56,635.52 is: 78,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,384 : 144,045.72 = 56,635.52 : x
  2. Step 2: Convert to fraction form
    104,384/144,045.72 = 56,635.52/x
  3. Step 3: Cross multiply
    104,384x = 144,045.72 × 56,635.52
  4. Step 4: Simplify right side
    104,384x = 8,158,104,255.97
  5. Step 5: Solve for x
    x = 8,158,104,255.97/104,384
  6. Step 6: Final answer
    x = 78,154.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.