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Finding the Fourth Proportional to 230,307.26, 345,508.05 and 97,187.54

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Solution

The fourth proportional to 230,307.26, 345,508.05 and 97,187.54 is: 145,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,307.26 : 345,508.05 = 97,187.54 : x
  2. Step 2: Convert to fraction form
    230,307.26/345,508.05 = 97,187.54/x
  3. Step 3: Cross multiply
    230,307.26x = 345,508.05 × 97,187.54
  4. Step 4: Simplify right side
    230,307.26x = 33,579,077,429.70
  5. Step 5: Solve for x
    x = 33,579,077,429.70/230,307.26
  6. Step 6: Final answer
    x = 145,801.21

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1.5x scale

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.