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Finding the Fourth Proportional to 118,889.23, 164,072.24 and 71,133.39

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Solution

The fourth proportional to 118,889.23, 164,072.24 and 71,133.39 is: 98,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,889.23 : 164,072.24 = 71,133.39 : x
  2. Step 2: Convert to fraction form
    118,889.23/164,072.24 = 71,133.39/x
  3. Step 3: Cross multiply
    118,889.23x = 164,072.24 × 71,133.39
  4. Step 4: Simplify right side
    118,889.23x = 11,671,014,636.09
  5. Step 5: Solve for x
    x = 11,671,014,636.09/118,889.23
  6. Step 6: Final answer
    x = 98,167.13

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1.5x scale

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.