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Finding the Fourth Proportional to 151,235.60, 226,939.80 and 57,808.40

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Solution

The fourth proportional to 151,235.60, 226,939.80 and 57,808.40 is: 86,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,235.60 : 226,939.80 = 57,808.40 : x
  2. Step 2: Convert to fraction form
    151,235.60/226,939.80 = 57,808.40/x
  3. Step 3: Cross multiply
    151,235.60x = 226,939.80 × 57,808.40
  4. Step 4: Simplify right side
    151,235.60x = 13,119,026,734.32
  5. Step 5: Solve for x
    x = 13,119,026,734.32/151,235.60
  6. Step 6: Final answer
    x = 86,745.63

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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.