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Finding the Fourth Proportional to 249,342.68, 373,960.56 and 71,816.60

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Solution

The fourth proportional to 249,342.68, 373,960.56 and 71,816.60 is: 107,709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,342.68 : 373,960.56 = 71,816.60 : x
  2. Step 2: Convert to fraction form
    249,342.68/373,960.56 = 71,816.60/x
  3. Step 3: Cross multiply
    249,342.68x = 373,960.56 × 71,816.60
  4. Step 4: Simplify right side
    249,342.68x = 26,856,575,953.30
  5. Step 5: Solve for x
    x = 26,856,575,953.30/249,342.68
  6. Step 6: Final answer
    x = 107,709.50

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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.