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Finding the Fourth Proportional to 166,462.20, 249,693.30 and 48,137.40

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Solution

The fourth proportional to 166,462.20, 249,693.30 and 48,137.40 is: 72,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,462.20 : 249,693.30 = 48,137.40 : x
  2. Step 2: Convert to fraction form
    166,462.20/249,693.30 = 48,137.40/x
  3. Step 3: Cross multiply
    166,462.20x = 249,693.30 × 48,137.40
  4. Step 4: Simplify right side
    166,462.20x = 12,019,586,259.42
  5. Step 5: Solve for x
    x = 12,019,586,259.42/166,462.20
  6. Step 6: Final answer
    x = 72,206.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.