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Finding the Fourth Proportional to 108,063.79, 162,119.64 and 41,503.93

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Solution

The fourth proportional to 108,063.79, 162,119.64 and 41,503.93 is: 62,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,063.79 : 162,119.64 = 41,503.93 : x
  2. Step 2: Convert to fraction form
    108,063.79/162,119.64 = 41,503.93/x
  3. Step 3: Cross multiply
    108,063.79x = 162,119.64 × 41,503.93
  4. Step 4: Simplify right side
    108,063.79x = 6,728,602,190.19
  5. Step 5: Solve for x
    x = 6,728,602,190.19/108,063.79
  6. Step 6: Final answer
    x = 62,265.10

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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.