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Finding the Fourth Proportional to 249,172.67, 373,818.51 and 80,693.42

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Solution

The fourth proportional to 249,172.67, 373,818.51 and 80,693.42 is: 121,059.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,172.67 : 373,818.51 = 80,693.42 : x
  2. Step 2: Convert to fraction form
    249,172.67/373,818.51 = 80,693.42/x
  3. Step 3: Cross multiply
    249,172.67x = 373,818.51 × 80,693.42
  4. Step 4: Simplify right side
    249,172.67x = 30,164,692,162.11
  5. Step 5: Solve for x
    x = 30,164,692,162.11/249,172.67
  6. Step 6: Final answer
    x = 121,059.39

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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.