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Finding the Fourth Proportional to 249,620.60, 374,463.30 and 123,325.40

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Solution

The fourth proportional to 249,620.60, 374,463.30 and 123,325.40 is: 185,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,620.60 : 374,463.30 = 123,325.40 : x
  2. Step 2: Convert to fraction form
    249,620.60/374,463.30 = 123,325.40/x
  3. Step 3: Cross multiply
    249,620.60x = 374,463.30 × 123,325.40
  4. Step 4: Simplify right side
    249,620.60x = 46,180,836,257.82
  5. Step 5: Solve for x
    x = 46,180,836,257.82/249,620.60
  6. Step 6: Final answer
    x = 185,004.11

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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.