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Finding the Fourth Proportional to 117,630.96, 176,476.20 and 51,054.96

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Solution

The fourth proportional to 117,630.96, 176,476.20 and 51,054.96 is: 76,595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,630.96 : 176,476.20 = 51,054.96 : x
  2. Step 2: Convert to fraction form
    117,630.96/176,476.20 = 51,054.96/x
  3. Step 3: Cross multiply
    117,630.96x = 176,476.20 × 51,054.96
  4. Step 4: Simplify right side
    117,630.96x = 9,009,985,331.95
  5. Step 5: Solve for x
    x = 9,009,985,331.95/117,630.96
  6. Step 6: Final answer
    x = 76,595.36

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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.