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Finding the Fourth Proportional to 230,176.64, 345,312.30 and 97,057.28

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Solution

The fourth proportional to 230,176.64, 345,312.30 and 97,057.28 is: 145,605.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,176.64 : 345,312.30 = 97,057.28 : x
  2. Step 2: Convert to fraction form
    230,176.64/345,312.30 = 97,057.28/x
  3. Step 3: Cross multiply
    230,176.64x = 345,312.30 × 97,057.28
  4. Step 4: Simplify right side
    230,176.64x = 33,515,073,815.79
  5. Step 5: Solve for x
    x = 33,515,073,815.79/230,176.64
  6. Step 6: Final answer
    x = 145,605.89

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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.