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Finding the Fourth Proportional to 450,282.42, 675,688.82 and 166,172.90

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Solution

The fourth proportional to 450,282.42, 675,688.82 and 166,172.90 is: 249,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,282.42 : 675,688.82 = 166,172.90 : x
  2. Step 2: Convert to fraction form
    450,282.42/675,688.82 = 166,172.90/x
  3. Step 3: Cross multiply
    450,282.42x = 675,688.82 × 166,172.90
  4. Step 4: Simplify right side
    450,282.42x = 112,281,167,753.97
  5. Step 5: Solve for x
    x = 112,281,167,753.97/450,282.42
  6. Step 6: Final answer
    x = 249,357.21

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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.