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Finding the Fourth Proportional to 173,897.56, 239,987.55 and 97,412.05

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Solution

The fourth proportional to 173,897.56, 239,987.55 and 97,412.05 is: 134,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,897.56 : 239,987.55 = 97,412.05 : x
  2. Step 2: Convert to fraction form
    173,897.56/239,987.55 = 97,412.05/x
  3. Step 3: Cross multiply
    173,897.56x = 239,987.55 × 97,412.05
  4. Step 4: Simplify right side
    173,897.56x = 23,377,679,219.98
  5. Step 5: Solve for x
    x = 23,377,679,219.98/173,897.56
  6. Step 6: Final answer
    x = 134,433.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.