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Finding the Fourth Proportional to 166,493.72, 249,699 and 65,312.33

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Solution

The fourth proportional to 166,493.72, 249,699 and 65,312.33 is: 97,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,493.72 : 249,699 = 65,312.33 : x
  2. Step 2: Convert to fraction form
    166,493.72/249,699 = 65,312.33/x
  3. Step 3: Cross multiply
    166,493.72x = 249,699 × 65,312.33
  4. Step 4: Simplify right side
    166,493.72x = 16,308,424,112.92
  5. Step 5: Solve for x
    x = 16,308,424,112.92/166,493.72
  6. Step 6: Final answer
    x = 97,952.19

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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.