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Finding the Fourth Proportional to 131,715.10, 184,867.70 and 131,715.10

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Solution

The fourth proportional to 131,715.10, 184,867.70 and 131,715.10 is: 184,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,715.10 : 184,867.70 = 131,715.10 : x
  2. Step 2: Convert to fraction form
    131,715.10/184,867.70 = 131,715.10/x
  3. Step 3: Cross multiply
    131,715.10x = 184,867.70 × 131,715.10
  4. Step 4: Simplify right side
    131,715.10x = 24,349,867,592.27
  5. Step 5: Solve for x
    x = 24,349,867,592.27/131,715.10
  6. Step 6: Final answer
    x = 184,867.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.