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Finding the Fourth Proportional to 325,199.70, 487,884.60 and 125,526.60

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Solution

The fourth proportional to 325,199.70, 487,884.60 and 125,526.60 is: 188,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,199.70 : 487,884.60 = 125,526.60 : x
  2. Step 2: Convert to fraction form
    325,199.70/487,884.60 = 125,526.60/x
  3. Step 3: Cross multiply
    325,199.70x = 487,884.60 × 125,526.60
  4. Step 4: Simplify right side
    325,199.70x = 61,242,495,030.36
  5. Step 5: Solve for x
    x = 61,242,495,030.36/325,199.70
  6. Step 6: Final answer
    x = 188,322.73

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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.