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Finding the Fourth Proportional to 166,079.60, 249,119.40 and 161,705.60

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Solution

The fourth proportional to 166,079.60, 249,119.40 and 161,705.60 is: 242,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,079.60 : 249,119.40 = 161,705.60 : x
  2. Step 2: Convert to fraction form
    166,079.60/249,119.40 = 161,705.60/x
  3. Step 3: Cross multiply
    166,079.60x = 249,119.40 × 161,705.60
  4. Step 4: Simplify right side
    166,079.60x = 40,284,002,048.64
  5. Step 5: Solve for x
    x = 40,284,002,048.64/166,079.60
  6. Step 6: Final answer
    x = 242,558.40

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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.