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Finding the Fourth Proportional to 249,601.92, 344,410.83 and 142,174.08

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Solution

The fourth proportional to 249,601.92, 344,410.83 and 142,174.08 is: 196,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,601.92 : 344,410.83 = 142,174.08 : x
  2. Step 2: Convert to fraction form
    249,601.92/344,410.83 = 142,174.08/x
  3. Step 3: Cross multiply
    249,601.92x = 344,410.83 × 142,174.08
  4. Step 4: Simplify right side
    249,601.92x = 48,966,292,897.29
  5. Step 5: Solve for x
    x = 48,966,292,897.29/249,601.92
  6. Step 6: Final answer
    x = 196,177.55

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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.