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Finding the Fourth Proportional to 249,313.62, 373,748.43 and 91,505.46

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Solution

The fourth proportional to 249,313.62, 373,748.43 and 91,505.46 is: 137,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,313.62 : 373,748.43 = 91,505.46 : x
  2. Step 2: Convert to fraction form
    249,313.62/373,748.43 = 91,505.46/x
  3. Step 3: Cross multiply
    249,313.62x = 373,748.43 × 91,505.46
  4. Step 4: Simplify right side
    249,313.62x = 34,200,022,011.43
  5. Step 5: Solve for x
    x = 34,200,022,011.43/249,313.62
  6. Step 6: Final answer
    x = 137,176.71

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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.