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Finding the Fourth Proportional to 325,829.60, 488,598.60 and 126,083.60

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Solution

The fourth proportional to 325,829.60, 488,598.60 and 126,083.60 is: 189,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,829.60 : 488,598.60 = 126,083.60 : x
  2. Step 2: Convert to fraction form
    325,829.60/488,598.60 = 126,083.60/x
  3. Step 3: Cross multiply
    325,829.60x = 488,598.60 × 126,083.60
  4. Step 4: Simplify right side
    325,829.60x = 61,604,270,442.96
  5. Step 5: Solve for x
    x = 61,604,270,442.96/325,829.60
  6. Step 6: Final answer
    x = 189,068.98

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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.