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Finding the Fourth Proportional to 237,663.79, 356,421.26 and 79,855.34

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Solution

The fourth proportional to 237,663.79, 356,421.26 and 79,855.34 is: 119,758.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,663.79 : 356,421.26 = 79,855.34 : x
  2. Step 2: Convert to fraction form
    237,663.79/356,421.26 = 79,855.34/x
  3. Step 3: Cross multiply
    237,663.79x = 356,421.26 × 79,855.34
  4. Step 4: Simplify right side
    237,663.79x = 28,462,139,318.06
  5. Step 5: Solve for x
    x = 28,462,139,318.06/237,663.79
  6. Step 6: Final answer
    x = 119,758.00

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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.