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Finding the Fourth Proportional to 118,602.33, 163,655.06 and 70,845.54

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Solution

The fourth proportional to 118,602.33, 163,655.06 and 70,845.54 is: 97,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,602.33 : 163,655.06 = 70,845.54 : x
  2. Step 2: Convert to fraction form
    118,602.33/163,655.06 = 70,845.54/x
  3. Step 3: Cross multiply
    118,602.33x = 163,655.06 × 70,845.54
  4. Step 4: Simplify right side
    118,602.33x = 11,594,231,099.43
  5. Step 5: Solve for x
    x = 11,594,231,099.43/118,602.33
  6. Step 6: Final answer
    x = 97,757.19

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Why These Related Problems?

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