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Finding the Fourth Proportional to 166,645.92, 249,857.64 and 91,801.92

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Solution

The fourth proportional to 166,645.92, 249,857.64 and 91,801.92 is: 137,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,645.92 : 249,857.64 = 91,801.92 : x
  2. Step 2: Convert to fraction form
    166,645.92/249,857.64 = 91,801.92/x
  3. Step 3: Cross multiply
    166,645.92x = 249,857.64 × 91,801.92
  4. Step 4: Simplify right side
    166,645.92x = 22,937,411,078.67
  5. Step 5: Solve for x
    x = 22,937,411,078.67/166,645.92
  6. Step 6: Final answer
    x = 137,641.60

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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.