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Finding the Fourth Proportional to 176,719.64, 265,245.53 and 92,540.21

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Solution

The fourth proportional to 176,719.64, 265,245.53 and 92,540.21 is: 138,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,719.64 : 265,245.53 = 92,540.21 : x
  2. Step 2: Convert to fraction form
    176,719.64/265,245.53 = 92,540.21/x
  3. Step 3: Cross multiply
    176,719.64x = 265,245.53 × 92,540.21
  4. Step 4: Simplify right side
    176,719.64x = 24,545,877,047.76
  5. Step 5: Solve for x
    x = 24,545,877,047.76/176,719.64
  6. Step 6: Final answer
    x = 138,897.28

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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.