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Finding the Fourth Proportional to 175,314.80, 262,453.80 and 156,652.40

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Solution

The fourth proportional to 175,314.80, 262,453.80 and 156,652.40 is: 234,515.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,314.80 : 262,453.80 = 156,652.40 : x
  2. Step 2: Convert to fraction form
    175,314.80/262,453.80 = 156,652.40/x
  3. Step 3: Cross multiply
    175,314.80x = 262,453.80 × 156,652.40
  4. Step 4: Simplify right side
    175,314.80x = 41,114,017,659.12
  5. Step 5: Solve for x
    x = 41,114,017,659.12/175,314.80
  6. Step 6: Final answer
    x = 234,515.38

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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.