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Finding the Fourth Proportional to 174,778.40, 262,116.40 and 62,445.60

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Solution

The fourth proportional to 174,778.40, 262,116.40 and 62,445.60 is: 93,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,778.40 : 262,116.40 = 62,445.60 : x
  2. Step 2: Convert to fraction form
    174,778.40/262,116.40 = 62,445.60/x
  3. Step 3: Cross multiply
    174,778.40x = 262,116.40 × 62,445.60
  4. Step 4: Simplify right side
    174,778.40x = 16,368,015,867.84
  5. Step 5: Solve for x
    x = 16,368,015,867.84/174,778.40
  6. Step 6: Final answer
    x = 93,650.11

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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.