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Finding the Fourth Proportional to 225,045.60, 337,114.80 and 140,546.40

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Solution

The fourth proportional to 225,045.60, 337,114.80 and 140,546.40 is: 210,536.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,045.60 : 337,114.80 = 140,546.40 : x
  2. Step 2: Convert to fraction form
    225,045.60/337,114.80 = 140,546.40/x
  3. Step 3: Cross multiply
    225,045.60x = 337,114.80 × 140,546.40
  4. Step 4: Simplify right side
    225,045.60x = 47,380,271,526.72
  5. Step 5: Solve for x
    x = 47,380,271,526.72/225,045.60
  6. Step 6: Final answer
    x = 210,536.32

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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.