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Finding the Fourth Proportional to 166,468.86, 249,728.15 and 61,279.83

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Solution

The fourth proportional to 166,468.86, 249,728.15 and 61,279.83 is: 91,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,468.86 : 249,728.15 = 61,279.83 : x
  2. Step 2: Convert to fraction form
    166,468.86/249,728.15 = 61,279.83/x
  3. Step 3: Cross multiply
    166,468.86x = 249,728.15 × 61,279.83
  4. Step 4: Simplify right side
    166,468.86x = 15,303,298,731.41
  5. Step 5: Solve for x
    x = 15,303,298,731.41/166,468.86
  6. Step 6: Final answer
    x = 91,928.90

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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.