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Finding the Fourth Proportional to 117,803.58, 176,734.53 and 55,459.50

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Solution

The fourth proportional to 117,803.58, 176,734.53 and 55,459.50 is: 83,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,803.58 : 176,734.53 = 55,459.50 : x
  2. Step 2: Convert to fraction form
    117,803.58/176,734.53 = 55,459.50/x
  3. Step 3: Cross multiply
    117,803.58x = 176,734.53 × 55,459.50
  4. Step 4: Simplify right side
    117,803.58x = 9,801,608,666.54
  5. Step 5: Solve for x
    x = 9,801,608,666.54/117,803.58
  6. Step 6: Final answer
    x = 83,202.98

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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.