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Finding the Fourth Proportional to 215,333.64, 323,000.56 and 96,866.60

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Solution

The fourth proportional to 215,333.64, 323,000.56 and 96,866.60 is: 145,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,333.64 : 323,000.56 = 96,866.60 : x
  2. Step 2: Convert to fraction form
    215,333.64/323,000.56 = 96,866.60/x
  3. Step 3: Cross multiply
    215,333.64x = 323,000.56 × 96,866.60
  4. Step 4: Simplify right side
    215,333.64x = 31,287,966,045.30
  5. Step 5: Solve for x
    x = 31,287,966,045.30/215,333.64
  6. Step 6: Final answer
    x = 145,299.94

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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.