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Finding the Fourth Proportional to 230,326.56, 345,440.88 and 97,155.36

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Solution

The fourth proportional to 230,326.56, 345,440.88 and 97,155.36 is: 145,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,326.56 : 345,440.88 = 97,155.36 : x
  2. Step 2: Convert to fraction form
    230,326.56/345,440.88 = 97,155.36/x
  3. Step 3: Cross multiply
    230,326.56x = 345,440.88 × 97,155.36
  4. Step 4: Simplify right side
    230,326.56x = 33,561,433,055.12
  5. Step 5: Solve for x
    x = 33,561,433,055.12/230,326.56
  6. Step 6: Final answer
    x = 145,712.39

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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.