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Finding the Fourth Proportional to 97,608.56, 146,412.90 and 38,411.91

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Solution

The fourth proportional to 97,608.56, 146,412.90 and 38,411.91 is: 57,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,608.56 : 146,412.90 = 38,411.91 : x
  2. Step 2: Convert to fraction form
    97,608.56/146,412.90 = 38,411.91/x
  3. Step 3: Cross multiply
    97,608.56x = 146,412.90 × 38,411.91
  4. Step 4: Simplify right side
    97,608.56x = 5,623,999,137.64
  5. Step 5: Solve for x
    x = 5,623,999,137.64/97,608.56
  6. Step 6: Final answer
    x = 57,617.89

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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.