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Finding the Fourth Proportional to 249,889.52, 344,847.76 and 136,712.27

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Solution

The fourth proportional to 249,889.52, 344,847.76 and 136,712.27 is: 188,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,889.52 : 344,847.76 = 136,712.27 : x
  2. Step 2: Convert to fraction form
    249,889.52/344,847.76 = 136,712.27/x
  3. Step 3: Cross multiply
    249,889.52x = 344,847.76 × 136,712.27
  4. Step 4: Simplify right side
    249,889.52x = 47,144,920,074.02
  5. Step 5: Solve for x
    x = 47,144,920,074.02/249,889.52
  6. Step 6: Final answer
    x = 188,663.05

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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.