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Finding the Fourth Proportional to 166,089.68, 249,226.68 and 67,586

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Solution

The fourth proportional to 166,089.68, 249,226.68 and 67,586 is: 101,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,089.68 : 249,226.68 = 67,586 : x
  2. Step 2: Convert to fraction form
    166,089.68/249,226.68 = 67,586/x
  3. Step 3: Cross multiply
    166,089.68x = 249,226.68 × 67,586
  4. Step 4: Simplify right side
    166,089.68x = 16,844,234,394.48
  5. Step 5: Solve for x
    x = 16,844,234,394.48/166,089.68
  6. Step 6: Final answer
    x = 101,416.50

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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.