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Finding the Fourth Proportional to 249,234.87, 343,898.01 and 141,798.45

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Solution

The fourth proportional to 249,234.87, 343,898.01 and 141,798.45 is: 195,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,234.87 : 343,898.01 = 141,798.45 : x
  2. Step 2: Convert to fraction form
    249,234.87/343,898.01 = 141,798.45/x
  3. Step 3: Cross multiply
    249,234.87x = 343,898.01 × 141,798.45
  4. Step 4: Simplify right side
    249,234.87x = 48,764,204,776.08
  5. Step 5: Solve for x
    x = 48,764,204,776.08/249,234.87
  6. Step 6: Final answer
    x = 195,655.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.