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Finding the Fourth Proportional to 144,044.30, 215,548.05 and 97,388.30

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Solution

The fourth proportional to 144,044.30, 215,548.05 and 97,388.30 is: 145,731.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,044.30 : 215,548.05 = 97,388.30 : x
  2. Step 2: Convert to fraction form
    144,044.30/215,548.05 = 97,388.30/x
  3. Step 3: Cross multiply
    144,044.30x = 215,548.05 × 97,388.30
  4. Step 4: Simplify right side
    144,044.30x = 20,991,858,157.82
  5. Step 5: Solve for x
    x = 20,991,858,157.82/144,044.30
  6. Step 6: Final answer
    x = 145,731.96

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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.