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Finding the Fourth Proportional to 166,237.52, 249,171.60 and 126,664.16

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Solution

The fourth proportional to 166,237.52, 249,171.60 and 126,664.16 is: 189,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,237.52 : 249,171.60 = 126,664.16 : x
  2. Step 2: Convert to fraction form
    166,237.52/249,171.60 = 126,664.16/x
  3. Step 3: Cross multiply
    166,237.52x = 249,171.60 × 126,664.16
  4. Step 4: Simplify right side
    166,237.52x = 31,561,111,409.86
  5. Step 5: Solve for x
    x = 31,561,111,409.86/166,237.52
  6. Step 6: Final answer
    x = 189,855.52

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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.