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Finding the Fourth Proportional to 249,797.52, 344,707.92 and 154,312.56

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Solution

The fourth proportional to 249,797.52, 344,707.92 and 154,312.56 is: 212,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,797.52 : 344,707.92 = 154,312.56 : x
  2. Step 2: Convert to fraction form
    249,797.52/344,707.92 = 154,312.56/x
  3. Step 3: Cross multiply
    249,797.52x = 344,707.92 × 154,312.56
  4. Step 4: Simplify right side
    249,797.52x = 53,192,761,587.48
  5. Step 5: Solve for x
    x = 53,192,761,587.48/249,797.52
  6. Step 6: Final answer
    x = 212,943.51

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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.