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Finding the Fourth Proportional to 184,171.71, 254,085 and 103,580.76

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Solution

The fourth proportional to 184,171.71, 254,085 and 103,580.76 is: 142,900.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,171.71 : 254,085 = 103,580.76 : x
  2. Step 2: Convert to fraction form
    184,171.71/254,085 = 103,580.76/x
  3. Step 3: Cross multiply
    184,171.71x = 254,085 × 103,580.76
  4. Step 4: Simplify right side
    184,171.71x = 26,318,317,404.60
  5. Step 5: Solve for x
    x = 26,318,317,404.60/184,171.71
  6. Step 6: Final answer
    x = 142,900.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.