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Finding the Fourth Proportional to 249,801.72, 344,733.66 and 136,632.12

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Solution

The fourth proportional to 249,801.72, 344,733.66 and 136,632.12 is: 188,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,801.72 : 344,733.66 = 136,632.12 : x
  2. Step 2: Convert to fraction form
    249,801.72/344,733.66 = 136,632.12/x
  3. Step 3: Cross multiply
    249,801.72x = 344,733.66 × 136,632.12
  4. Step 4: Simplify right side
    249,801.72x = 47,101,690,801.16
  5. Step 5: Solve for x
    x = 47,101,690,801.16/249,801.72
  6. Step 6: Final answer
    x = 188,556.31

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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.