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Finding the Fourth Proportional to 237,810.20, 356,412.90 and 97,410.20

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Solution

The fourth proportional to 237,810.20, 356,412.90 and 97,410.20 is: 145,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,810.20 : 356,412.90 = 97,410.20 : x
  2. Step 2: Convert to fraction form
    237,810.20/356,412.90 = 97,410.20/x
  3. Step 3: Cross multiply
    237,810.20x = 356,412.90 × 97,410.20
  4. Step 4: Simplify right side
    237,810.20x = 34,718,251,871.58
  5. Step 5: Solve for x
    x = 34,718,251,871.58/237,810.20
  6. Step 6: Final answer
    x = 145,991.43

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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.