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Finding the Fourth Proportional to 166,077.60, 249,116.40 and 154,923.90

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Solution

The fourth proportional to 166,077.60, 249,116.40 and 154,923.90 is: 232,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,077.60 : 249,116.40 = 154,923.90 : x
  2. Step 2: Convert to fraction form
    166,077.60/249,116.40 = 154,923.90/x
  3. Step 3: Cross multiply
    166,077.60x = 249,116.40 × 154,923.90
  4. Step 4: Simplify right side
    166,077.60x = 38,594,084,241.96
  5. Step 5: Solve for x
    x = 38,594,084,241.96/166,077.60
  6. Step 6: Final answer
    x = 232,385.85

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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.