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Finding the Fourth Proportional to 104,482.15, 156,749.75 and 48,362.74

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Solution

The fourth proportional to 104,482.15, 156,749.75 and 48,362.74 is: 72,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,482.15 : 156,749.75 = 48,362.74 : x
  2. Step 2: Convert to fraction form
    104,482.15/156,749.75 = 48,362.74/x
  3. Step 3: Cross multiply
    104,482.15x = 156,749.75 × 48,362.74
  4. Step 4: Simplify right side
    104,482.15x = 7,580,847,404.32
  5. Step 5: Solve for x
    x = 7,580,847,404.32/104,482.15
  6. Step 6: Final answer
    x = 72,556.39

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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.