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Finding the Fourth Proportional to 166,999.60, 249,916.20 and 116,844.40

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Solution

The fourth proportional to 166,999.60, 249,916.20 and 116,844.40 is: 174,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,999.60 : 249,916.20 = 116,844.40 : x
  2. Step 2: Convert to fraction form
    166,999.60/249,916.20 = 116,844.40/x
  3. Step 3: Cross multiply
    166,999.60x = 249,916.20 × 116,844.40
  4. Step 4: Simplify right side
    166,999.60x = 29,201,308,439.28
  5. Step 5: Solve for x
    x = 29,201,308,439.28/166,999.60
  6. Step 6: Final answer
    x = 174,858.55

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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.