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Finding the Fourth Proportional to 166,404.70, 249,607.05 and 157,219.30

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Solution

The fourth proportional to 166,404.70, 249,607.05 and 157,219.30 is: 235,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,404.70 : 249,607.05 = 157,219.30 : x
  2. Step 2: Convert to fraction form
    166,404.70/249,607.05 = 157,219.30/x
  3. Step 3: Cross multiply
    166,404.70x = 249,607.05 × 157,219.30
  4. Step 4: Simplify right side
    166,404.70x = 39,243,045,676.07
  5. Step 5: Solve for x
    x = 39,243,045,676.07/166,404.70
  6. Step 6: Final answer
    x = 235,828.95

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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.