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Finding the Fourth Proportional to 167,656.80, 251,456.40 and 62,421.60

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Solution

The fourth proportional to 167,656.80, 251,456.40 and 62,421.60 is: 93,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,656.80 : 251,456.40 = 62,421.60 : x
  2. Step 2: Convert to fraction form
    167,656.80/251,456.40 = 62,421.60/x
  3. Step 3: Cross multiply
    167,656.80x = 251,456.40 × 62,421.60
  4. Step 4: Simplify right side
    167,656.80x = 15,696,310,818.24
  5. Step 5: Solve for x
    x = 15,696,310,818.24/167,656.80
  6. Step 6: Final answer
    x = 93,621.68

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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.