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Finding the Fourth Proportional to 174,864.40, 262,361.40 and 56,539.60

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Solution

The fourth proportional to 174,864.40, 262,361.40 and 56,539.60 is: 84,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,864.40 : 262,361.40 = 56,539.60 : x
  2. Step 2: Convert to fraction form
    174,864.40/262,361.40 = 56,539.60/x
  3. Step 3: Cross multiply
    174,864.40x = 262,361.40 × 56,539.60
  4. Step 4: Simplify right side
    174,864.40x = 14,833,808,611.44
  5. Step 5: Solve for x
    x = 14,833,808,611.44/174,864.40
  6. Step 6: Final answer
    x = 84,830.35

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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.