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Finding the Fourth Proportional to 166,076.60, 249,114.90 and 136,916.60

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Solution

The fourth proportional to 166,076.60, 249,114.90 and 136,916.60 is: 205,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,076.60 : 249,114.90 = 136,916.60 : x
  2. Step 2: Convert to fraction form
    166,076.60/249,114.90 = 136,916.60/x
  3. Step 3: Cross multiply
    166,076.60x = 249,114.90 × 136,916.60
  4. Step 4: Simplify right side
    166,076.60x = 34,107,965,117.34
  5. Step 5: Solve for x
    x = 34,107,965,117.34/166,076.60
  6. Step 6: Final answer
    x = 205,374.90

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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.