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Finding the Fourth Proportional to 163,374.74, 225,503.70 and 95,407.64

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Solution

The fourth proportional to 163,374.74, 225,503.70 and 95,407.64 is: 131,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,374.74 : 225,503.70 = 95,407.64 : x
  2. Step 2: Convert to fraction form
    163,374.74/225,503.70 = 95,407.64/x
  3. Step 3: Cross multiply
    163,374.74x = 225,503.70 × 95,407.64
  4. Step 4: Simplify right side
    163,374.74x = 21,514,775,828.27
  5. Step 5: Solve for x
    x = 21,514,775,828.27/163,374.74
  6. Step 6: Final answer
    x = 131,689.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.