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Finding the Fourth Proportional to 122,503.92, 184,475.40 and 106,895.10

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Solution

The fourth proportional to 122,503.92, 184,475.40 and 106,895.10 is: 160,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,503.92 : 184,475.40 = 106,895.10 : x
  2. Step 2: Convert to fraction form
    122,503.92/184,475.40 = 106,895.10/x
  3. Step 3: Cross multiply
    122,503.92x = 184,475.40 × 106,895.10
  4. Step 4: Simplify right side
    122,503.92x = 19,719,516,330.54
  5. Step 5: Solve for x
    x = 19,719,516,330.54/122,503.92
  6. Step 6: Final answer
    x = 160,970.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.