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Finding the Fourth Proportional to 249,182.73, 343,871.73 and 136,005.48

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Solution

The fourth proportional to 249,182.73, 343,871.73 and 136,005.48 is: 187,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,182.73 : 343,871.73 = 136,005.48 : x
  2. Step 2: Convert to fraction form
    249,182.73/343,871.73 = 136,005.48/x
  3. Step 3: Cross multiply
    249,182.73x = 343,871.73 × 136,005.48
  4. Step 4: Simplify right side
    249,182.73x = 46,768,439,697.08
  5. Step 5: Solve for x
    x = 46,768,439,697.08/249,182.73
  6. Step 6: Final answer
    x = 187,687.32

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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.