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Finding the Fourth Proportional to 108,696.74, 163,056.29 and 37,619.25

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Solution

The fourth proportional to 108,696.74, 163,056.29 and 37,619.25 is: 56,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,696.74 : 163,056.29 = 37,619.25 : x
  2. Step 2: Convert to fraction form
    108,696.74/163,056.29 = 37,619.25/x
  3. Step 3: Cross multiply
    108,696.74x = 163,056.29 × 37,619.25
  4. Step 4: Simplify right side
    108,696.74x = 6,134,055,666.83
  5. Step 5: Solve for x
    x = 6,134,055,666.83/108,696.74
  6. Step 6: Final answer
    x = 56,432.75

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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.