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Finding the Fourth Proportional to 108,705.59, 163,056.76 and 37,679.93

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Solution

The fourth proportional to 108,705.59, 163,056.76 and 37,679.93 is: 56,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,705.59 : 163,056.76 = 37,679.93 : x
  2. Step 2: Convert to fraction form
    108,705.59/163,056.76 = 37,679.93/x
  3. Step 3: Cross multiply
    108,705.59x = 163,056.76 × 37,679.93
  4. Step 4: Simplify right side
    108,705.59x = 6,143,966,393.34
  5. Step 5: Solve for x
    x = 6,143,966,393.34/108,705.59
  6. Step 6: Final answer
    x = 56,519.33

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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.