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Finding the Fourth Proportional to 166,620.60, 249,923.88 and 48,289.32

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Solution

The fourth proportional to 166,620.60, 249,923.88 and 48,289.32 is: 72,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,620.60 : 249,923.88 = 48,289.32 : x
  2. Step 2: Convert to fraction form
    166,620.60/249,923.88 = 48,289.32/x
  3. Step 3: Cross multiply
    166,620.60x = 249,923.88 × 48,289.32
  4. Step 4: Simplify right side
    166,620.60x = 12,068,654,216.96
  5. Step 5: Solve for x
    x = 12,068,654,216.96/166,620.60
  6. Step 6: Final answer
    x = 72,431.95

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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.