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Finding the Fourth Proportional to 166,577.71, 249,755.84 and 91,733.10

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Solution

The fourth proportional to 166,577.71, 249,755.84 and 91,733.10 is: 137,538.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,577.71 : 249,755.84 = 91,733.10 : x
  2. Step 2: Convert to fraction form
    166,577.71/249,755.84 = 91,733.10/x
  3. Step 3: Cross multiply
    166,577.71x = 249,755.84 × 91,733.10
  4. Step 4: Simplify right side
    166,577.71x = 22,910,876,987.64
  5. Step 5: Solve for x
    x = 22,910,876,987.64/166,577.71
  6. Step 6: Final answer
    x = 137,538.67

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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.