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Finding the Fourth Proportional to 166,101.70, 249,152.55 and 156,916.30

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Solution

The fourth proportional to 166,101.70, 249,152.55 and 156,916.30 is: 235,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,101.70 : 249,152.55 = 156,916.30 : x
  2. Step 2: Convert to fraction form
    166,101.70/249,152.55 = 156,916.30/x
  3. Step 3: Cross multiply
    166,101.70x = 249,152.55 × 156,916.30
  4. Step 4: Simplify right side
    166,101.70x = 39,096,096,281.57
  5. Step 5: Solve for x
    x = 39,096,096,281.57/166,101.70
  6. Step 6: Final answer
    x = 235,374.45

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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.