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Finding the Fourth Proportional to 132,798.41, 183,256.48 and 72,367.77

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Solution

The fourth proportional to 132,798.41, 183,256.48 and 72,367.77 is: 99,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,798.41 : 183,256.48 = 72,367.77 : x
  2. Step 2: Convert to fraction form
    132,798.41/183,256.48 = 72,367.77/x
  3. Step 3: Cross multiply
    132,798.41x = 183,256.48 × 72,367.77
  4. Step 4: Simplify right side
    132,798.41x = 13,261,861,877.73
  5. Step 5: Solve for x
    x = 13,261,861,877.73/132,798.41
  6. Step 6: Final answer
    x = 99,864.61

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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.