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Finding the Fourth Proportional to 249,701.73, 374,563.53 and 72,226.68

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Solution

The fourth proportional to 249,701.73, 374,563.53 and 72,226.68 is: 108,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,701.73 : 374,563.53 = 72,226.68 : x
  2. Step 2: Convert to fraction form
    249,701.73/374,563.53 = 72,226.68/x
  3. Step 3: Cross multiply
    249,701.73x = 374,563.53 × 72,226.68
  4. Step 4: Simplify right side
    249,701.73x = 27,053,479,284.57
  5. Step 5: Solve for x
    x = 27,053,479,284.57/249,701.73
  6. Step 6: Final answer
    x = 108,343.18

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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.