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Finding the Fourth Proportional to 184,372.76, 254,458.64 and 103,815.98

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Solution

The fourth proportional to 184,372.76, 254,458.64 and 103,815.98 is: 143,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,372.76 : 254,458.64 = 103,815.98 : x
  2. Step 2: Convert to fraction form
    184,372.76/254,458.64 = 103,815.98/x
  3. Step 3: Cross multiply
    184,372.76x = 254,458.64 × 103,815.98
  4. Step 4: Simplify right side
    184,372.76x = 26,416,872,730.55
  5. Step 5: Solve for x
    x = 26,416,872,730.55/184,372.76
  6. Step 6: Final answer
    x = 143,279.70

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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.