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Finding the Fourth Proportional to 166,487.44, 249,723.90 and 48,156.16

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Solution

The fourth proportional to 166,487.44, 249,723.90 and 48,156.16 is: 72,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,487.44 : 249,723.90 = 48,156.16 : x
  2. Step 2: Convert to fraction form
    166,487.44/249,723.90 = 48,156.16/x
  3. Step 3: Cross multiply
    166,487.44x = 249,723.90 × 48,156.16
  4. Step 4: Simplify right side
    166,487.44x = 12,025,744,084.22
  5. Step 5: Solve for x
    x = 12,025,744,084.22/166,487.44
  6. Step 6: Final answer
    x = 72,232.14

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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.