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Finding the Fourth Proportional to 249,362.62, 374,098.62 and 80,899.98

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Solution

The fourth proportional to 249,362.62, 374,098.62 and 80,899.98 is: 121,367.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,362.62 : 374,098.62 = 80,899.98 : x
  2. Step 2: Convert to fraction form
    249,362.62/374,098.62 = 80,899.98/x
  3. Step 3: Cross multiply
    249,362.62x = 374,098.62 × 80,899.98
  4. Step 4: Simplify right side
    249,362.62x = 30,264,570,876.03
  5. Step 5: Solve for x
    x = 30,264,570,876.03/249,362.62
  6. Step 6: Final answer
    x = 121,367.71

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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.