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Finding the Fourth Proportional to 238,887.48, 358,252.74 and 105,764.88

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Solution

The fourth proportional to 238,887.48, 358,252.74 and 105,764.88 is: 158,612.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,887.48 : 358,252.74 = 105,764.88 : x
  2. Step 2: Convert to fraction form
    238,887.48/358,252.74 = 105,764.88/x
  3. Step 3: Cross multiply
    238,887.48x = 358,252.74 × 105,764.88
  4. Step 4: Simplify right side
    238,887.48x = 37,890,558,055.77
  5. Step 5: Solve for x
    x = 37,890,558,055.77/238,887.48
  6. Step 6: Final answer
    x = 158,612.57

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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.