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Finding the Fourth Proportional to 245,328.69, 367,956.10 and 157,198.06

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Solution

The fourth proportional to 245,328.69, 367,956.10 and 157,198.06 is: 235,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,328.69 : 367,956.10 = 157,198.06 : x
  2. Step 2: Convert to fraction form
    245,328.69/367,956.10 = 157,198.06/x
  3. Step 3: Cross multiply
    245,328.69x = 367,956.10 × 157,198.06
  4. Step 4: Simplify right side
    245,328.69x = 57,841,985,741.61
  5. Step 5: Solve for x
    x = 57,841,985,741.61/245,328.69
  6. Step 6: Final answer
    x = 235,773.42

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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.