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Finding the Fourth Proportional to 166,655.40, 249,958.80 and 48,314.40

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Solution

The fourth proportional to 166,655.40, 249,958.80 and 48,314.40 is: 72,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,655.40 : 249,958.80 = 48,314.40 : x
  2. Step 2: Convert to fraction form
    166,655.40/249,958.80 = 48,314.40/x
  3. Step 3: Cross multiply
    166,655.40x = 249,958.80 × 48,314.40
  4. Step 4: Simplify right side
    166,655.40x = 12,076,609,446.72
  5. Step 5: Solve for x
    x = 12,076,609,446.72/166,655.40
  6. Step 6: Final answer
    x = 72,464.56

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1.5x scale

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.