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Finding the Fourth Proportional to 166,493.97, 249,699.37 and 65,312.58

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Solution

The fourth proportional to 166,493.97, 249,699.37 and 65,312.58 is: 97,952.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,493.97 : 249,699.37 = 65,312.58 : x
  2. Step 2: Convert to fraction form
    166,493.97/249,699.37 = 65,312.58/x
  3. Step 3: Cross multiply
    166,493.97x = 249,699.37 × 65,312.58
  4. Step 4: Simplify right side
    166,493.97x = 16,308,510,079.07
  5. Step 5: Solve for x
    x = 16,308,510,079.07/166,493.97
  6. Step 6: Final answer
    x = 97,952.56

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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.