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Finding the Fourth Proportional to 122,484.01, 183,553.72 and 97,412.79

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Solution

The fourth proportional to 122,484.01, 183,553.72 and 97,412.79 is: 145,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,484.01 : 183,553.72 = 97,412.79 : x
  2. Step 2: Convert to fraction form
    122,484.01/183,553.72 = 97,412.79/x
  3. Step 3: Cross multiply
    122,484.01x = 183,553.72 × 97,412.79
  4. Step 4: Simplify right side
    122,484.01x = 17,880,479,493.01
  5. Step 5: Solve for x
    x = 17,880,479,493.01/122,484.01
  6. Step 6: Final answer
    x = 145,982.15

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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.