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Finding the Fourth Proportional to 178,220.36, 245,883.54 and 101,684.48

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Solution

The fourth proportional to 178,220.36, 245,883.54 and 101,684.48 is: 140,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,220.36 : 245,883.54 = 101,684.48 : x
  2. Step 2: Convert to fraction form
    178,220.36/245,883.54 = 101,684.48/x
  3. Step 3: Cross multiply
    178,220.36x = 245,883.54 × 101,684.48
  4. Step 4: Simplify right side
    178,220.36x = 25,002,539,905.46
  5. Step 5: Solve for x
    x = 25,002,539,905.46/178,220.36
  6. Step 6: Final answer
    x = 140,290.03

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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.