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Finding the Fourth Proportional to 249,612.30, 374,163.30 and 123,057.90

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Solution

The fourth proportional to 249,612.30, 374,163.30 and 123,057.90 is: 184,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,612.30 : 374,163.30 = 123,057.90 : x
  2. Step 2: Convert to fraction form
    249,612.30/374,163.30 = 123,057.90/x
  3. Step 3: Cross multiply
    249,612.30x = 374,163.30 × 123,057.90
  4. Step 4: Simplify right side
    249,612.30x = 46,043,749,955.07
  5. Step 5: Solve for x
    x = 46,043,749,955.07/249,612.30
  6. Step 6: Final answer
    x = 184,461.06

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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.