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Finding the Fourth Proportional to 249,866.88, 374,539.20 and 109,507.20

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Solution

The fourth proportional to 249,866.88, 374,539.20 and 109,507.20 is: 164,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,866.88 : 374,539.20 = 109,507.20 : x
  2. Step 2: Convert to fraction form
    249,866.88/374,539.20 = 109,507.20/x
  3. Step 3: Cross multiply
    249,866.88x = 374,539.20 × 109,507.20
  4. Step 4: Simplify right side
    249,866.88x = 41,014,739,082.24
  5. Step 5: Solve for x
    x = 41,014,739,082.24/249,866.88
  6. Step 6: Final answer
    x = 164,146.36

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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.