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Finding the Fourth Proportional to 249,850.10, 374,752.11 and 83,639.54

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Solution

The fourth proportional to 249,850.10, 374,752.11 and 83,639.54 is: 125,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,850.10 : 374,752.11 = 83,639.54 : x
  2. Step 2: Convert to fraction form
    249,850.10/374,752.11 = 83,639.54/x
  3. Step 3: Cross multiply
    249,850.10x = 374,752.11 × 83,639.54
  4. Step 4: Simplify right side
    249,850.10x = 31,344,094,094.43
  5. Step 5: Solve for x
    x = 31,344,094,094.43/249,850.10
  6. Step 6: Final answer
    x = 125,451.60

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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.