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Finding the Fourth Proportional to 241,312.40, 361,968.60 and 166,662.80

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Solution

The fourth proportional to 241,312.40, 361,968.60 and 166,662.80 is: 249,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,312.40 : 361,968.60 = 166,662.80 : x
  2. Step 2: Convert to fraction form
    241,312.40/361,968.60 = 166,662.80/x
  3. Step 3: Cross multiply
    241,312.40x = 361,968.60 × 166,662.80
  4. Step 4: Simplify right side
    241,312.40x = 60,326,700,388.08
  5. Step 5: Solve for x
    x = 60,326,700,388.08/241,312.40
  6. Step 6: Final answer
    x = 249,994.20

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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.