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Finding the Fourth Proportional to 166,495.70, 249,743.55 and 73,001.45

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Solution

The fourth proportional to 166,495.70, 249,743.55 and 73,001.45 is: 109,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,495.70 : 249,743.55 = 73,001.45 : x
  2. Step 2: Convert to fraction form
    166,495.70/249,743.55 = 73,001.45/x
  3. Step 3: Cross multiply
    166,495.70x = 249,743.55 × 73,001.45
  4. Step 4: Simplify right side
    166,495.70x = 18,231,641,278.15
  5. Step 5: Solve for x
    x = 18,231,641,278.15/166,495.70
  6. Step 6: Final answer
    x = 109,502.18

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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.