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Finding the Fourth Proportional to 175,090.60, 262,635.90 and 50,415.40

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Solution

The fourth proportional to 175,090.60, 262,635.90 and 50,415.40 is: 75,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,090.60 : 262,635.90 = 50,415.40 : x
  2. Step 2: Convert to fraction form
    175,090.60/262,635.90 = 50,415.40/x
  3. Step 3: Cross multiply
    175,090.60x = 262,635.90 × 50,415.40
  4. Step 4: Simplify right side
    175,090.60x = 13,240,893,952.86
  5. Step 5: Solve for x
    x = 13,240,893,952.86/175,090.60
  6. Step 6: Final answer
    x = 75,623.10

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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.