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Finding the Fourth Proportional to 166,548.90, 249,750.45 and 66,675.90

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Solution

The fourth proportional to 166,548.90, 249,750.45 and 66,675.90 is: 99,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,548.90 : 249,750.45 = 66,675.90 : x
  2. Step 2: Convert to fraction form
    166,548.90/249,750.45 = 66,675.90/x
  3. Step 3: Cross multiply
    166,548.90x = 249,750.45 × 66,675.90
  4. Step 4: Simplify right side
    166,548.90x = 16,652,336,029.16
  5. Step 5: Solve for x
    x = 16,652,336,029.16/166,548.90
  6. Step 6: Final answer
    x = 99,984.67

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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.