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Finding the Fourth Proportional to 167,800.80, 251,701.20 and 101,445.60

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Solution

The fourth proportional to 167,800.80, 251,701.20 and 101,445.60 is: 152,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,800.80 : 251,701.20 = 101,445.60 : x
  2. Step 2: Convert to fraction form
    167,800.80/251,701.20 = 101,445.60/x
  3. Step 3: Cross multiply
    167,800.80x = 251,701.20 × 101,445.60
  4. Step 4: Simplify right side
    167,800.80x = 25,533,979,254.72
  5. Step 5: Solve for x
    x = 25,533,979,254.72/167,800.80
  6. Step 6: Final answer
    x = 152,168.40

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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.