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Finding the Fourth Proportional to 166,597.12, 249,895.68 and 48,268.54

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Solution

The fourth proportional to 166,597.12, 249,895.68 and 48,268.54 is: 72,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,597.12 : 249,895.68 = 48,268.54 : x
  2. Step 2: Convert to fraction form
    166,597.12/249,895.68 = 48,268.54/x
  3. Step 3: Cross multiply
    166,597.12x = 249,895.68 × 48,268.54
  4. Step 4: Simplify right side
    166,597.12x = 12,062,099,625.91
  5. Step 5: Solve for x
    x = 12,062,099,625.91/166,597.12
  6. Step 6: Final answer
    x = 72,402.81

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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.