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Finding the Fourth Proportional to 166,523.40, 249,787.49 and 54,204.21

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Solution

The fourth proportional to 166,523.40, 249,787.49 and 54,204.21 is: 81,307.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,523.40 : 249,787.49 = 54,204.21 : x
  2. Step 2: Convert to fraction form
    166,523.40/249,787.49 = 54,204.21/x
  3. Step 3: Cross multiply
    166,523.40x = 249,787.49 × 54,204.21
  4. Step 4: Simplify right side
    166,523.40x = 13,539,533,292.31
  5. Step 5: Solve for x
    x = 13,539,533,292.31/166,523.40
  6. Step 6: Final answer
    x = 81,307.09

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1.5x scale

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.