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Finding the Fourth Proportional to 118,883.49, 164,076 and 73,576.05

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Solution

The fourth proportional to 118,883.49, 164,076 and 73,576.05 is: 101,545.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,883.49 : 164,076 = 73,576.05 : x
  2. Step 2: Convert to fraction form
    118,883.49/164,076 = 73,576.05/x
  3. Step 3: Cross multiply
    118,883.49x = 164,076 × 73,576.05
  4. Step 4: Simplify right side
    118,883.49x = 12,072,063,979.80
  5. Step 5: Solve for x
    x = 12,072,063,979.80/118,883.49
  6. Step 6: Final answer
    x = 101,545.34

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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.