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Finding the Fourth Proportional to 249,305.76, 343,922.28 and 181,217.16

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Solution

The fourth proportional to 249,305.76, 343,922.28 and 181,217.16 is: 249,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,305.76 : 343,922.28 = 181,217.16 : x
  2. Step 2: Convert to fraction form
    249,305.76/343,922.28 = 181,217.16/x
  3. Step 3: Cross multiply
    249,305.76x = 343,922.28 × 181,217.16
  4. Step 4: Simplify right side
    249,305.76x = 62,324,618,842.32
  5. Step 5: Solve for x
    x = 62,324,618,842.32/249,305.76
  6. Step 6: Final answer
    x = 249,992.70

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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.