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Finding the Fourth Proportional to 167,918.40, 251,877.60 and 146,048.40

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Solution

The fourth proportional to 167,918.40, 251,877.60 and 146,048.40 is: 219,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,918.40 : 251,877.60 = 146,048.40 : x
  2. Step 2: Convert to fraction form
    167,918.40/251,877.60 = 146,048.40/x
  3. Step 3: Cross multiply
    167,918.40x = 251,877.60 × 146,048.40
  4. Step 4: Simplify right side
    167,918.40x = 36,786,320,475.84
  5. Step 5: Solve for x
    x = 36,786,320,475.84/167,918.40
  6. Step 6: Final answer
    x = 219,072.60

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1.5x scale

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.