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Finding the Fourth Proportional to 238,814.80, 358,999.80 and 169,176.40

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Solution

The fourth proportional to 238,814.80, 358,999.80 and 169,176.40 is: 254,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,814.80 : 358,999.80 = 169,176.40 : x
  2. Step 2: Convert to fraction form
    238,814.80/358,999.80 = 169,176.40/x
  3. Step 3: Cross multiply
    238,814.80x = 358,999.80 × 169,176.40
  4. Step 4: Simplify right side
    238,814.80x = 60,734,293,764.72
  5. Step 5: Solve for x
    x = 60,734,293,764.72/238,814.80
  6. Step 6: Final answer
    x = 254,315.45

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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.