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Finding the Fourth Proportional to 249,102.80, 343,761.24 and 135,925.52

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Solution

The fourth proportional to 249,102.80, 343,761.24 and 135,925.52 is: 187,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,102.80 : 343,761.24 = 135,925.52 : x
  2. Step 2: Convert to fraction form
    249,102.80/343,761.24 = 135,925.52/x
  3. Step 3: Cross multiply
    249,102.80x = 343,761.24 × 135,925.52
  4. Step 4: Simplify right side
    249,102.80x = 46,725,925,302.84
  5. Step 5: Solve for x
    x = 46,725,925,302.84/249,102.80
  6. Step 6: Final answer
    x = 187,576.88

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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.