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Finding the Fourth Proportional to 276,999.70, 415,827.60 and 157,152.10

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Solution

The fourth proportional to 276,999.70, 415,827.60 and 157,152.10 is: 235,914.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,999.70 : 415,827.60 = 157,152.10 : x
  2. Step 2: Convert to fraction form
    276,999.70/415,827.60 = 157,152.10/x
  3. Step 3: Cross multiply
    276,999.70x = 415,827.60 × 157,152.10
  4. Step 4: Simplify right side
    276,999.70x = 65,348,180,577.96
  5. Step 5: Solve for x
    x = 65,348,180,577.96/276,999.70
  6. Step 6: Final answer
    x = 235,914.26

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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.