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Finding the Fourth Proportional to 156,580.48, 234,870.72 and 56,722.06

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Solution

The fourth proportional to 156,580.48, 234,870.72 and 56,722.06 is: 85,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,580.48 : 234,870.72 = 56,722.06 : x
  2. Step 2: Convert to fraction form
    156,580.48/234,870.72 = 56,722.06/x
  3. Step 3: Cross multiply
    156,580.48x = 234,870.72 × 56,722.06
  4. Step 4: Simplify right side
    156,580.48x = 13,322,351,072.08
  5. Step 5: Solve for x
    x = 13,322,351,072.08/156,580.48
  6. Step 6: Final answer
    x = 85,083.09

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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.