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Finding the Fourth Proportional to 175,268.80, 262,672.80 and 155,454.40

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Solution

The fourth proportional to 175,268.80, 262,672.80 and 155,454.40 is: 232,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,268.80 : 262,672.80 = 155,454.40 : x
  2. Step 2: Convert to fraction form
    175,268.80/262,672.80 = 155,454.40/x
  3. Step 3: Cross multiply
    175,268.80x = 262,672.80 × 155,454.40
  4. Step 4: Simplify right side
    175,268.80x = 40,833,642,520.32
  5. Step 5: Solve for x
    x = 40,833,642,520.32/175,268.80
  6. Step 6: Final answer
    x = 232,977.25

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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.