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Finding the Fourth Proportional to 249,769.80, 374,654.70 and 173,662.20

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Solution

The fourth proportional to 249,769.80, 374,654.70 and 173,662.20 is: 260,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,769.80 : 374,654.70 = 173,662.20 : x
  2. Step 2: Convert to fraction form
    249,769.80/374,654.70 = 173,662.20/x
  3. Step 3: Cross multiply
    249,769.80x = 374,654.70 × 173,662.20
  4. Step 4: Simplify right side
    249,769.80x = 65,063,359,442.34
  5. Step 5: Solve for x
    x = 65,063,359,442.34/249,769.80
  6. Step 6: Final answer
    x = 260,493.30

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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.