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Finding the Fourth Proportional to 450,282.39, 675,688.77 and 166,172.87

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Solution

The fourth proportional to 450,282.39, 675,688.77 and 166,172.87 is: 249,357.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,282.39 : 675,688.77 = 166,172.87 : x
  2. Step 2: Convert to fraction form
    450,282.39/675,688.77 = 166,172.87/x
  3. Step 3: Cross multiply
    450,282.39x = 675,688.77 × 166,172.87
  4. Step 4: Simplify right side
    450,282.39x = 112,281,142,137.67
  5. Step 5: Solve for x
    x = 112,281,142,137.67/450,282.39
  6. Step 6: Final answer
    x = 249,357.17

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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.