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Finding the Fourth Proportional to 175,246.40, 262,804.80 and 56,921.60

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Solution

The fourth proportional to 175,246.40, 262,804.80 and 56,921.60 is: 85,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,246.40 : 262,804.80 = 56,921.60 : x
  2. Step 2: Convert to fraction form
    175,246.40/262,804.80 = 56,921.60/x
  3. Step 3: Cross multiply
    175,246.40x = 262,804.80 × 56,921.60
  4. Step 4: Simplify right side
    175,246.40x = 14,959,269,703.68
  5. Step 5: Solve for x
    x = 14,959,269,703.68/175,246.40
  6. Step 6: Final answer
    x = 85,361.35

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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.