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Finding the Fourth Proportional to 166,585.71, 249,878.37 and 54,265.75

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Solution

The fourth proportional to 166,585.71, 249,878.37 and 54,265.75 is: 81,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,585.71 : 249,878.37 = 54,265.75 : x
  2. Step 2: Convert to fraction form
    166,585.71/249,878.37 = 54,265.75/x
  3. Step 3: Cross multiply
    166,585.71x = 249,878.37 × 54,265.75
  4. Step 4: Simplify right side
    166,585.71x = 13,559,836,430.38
  5. Step 5: Solve for x
    x = 13,559,836,430.38/166,585.71
  6. Step 6: Final answer
    x = 81,398.56

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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.