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Finding the Fourth Proportional to 249,853.84, 344,798.64 and 136,676.56

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Solution

The fourth proportional to 249,853.84, 344,798.64 and 136,676.56 is: 188,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,853.84 : 344,798.64 = 136,676.56 : x
  2. Step 2: Convert to fraction form
    249,853.84/344,798.64 = 136,676.56/x
  3. Step 3: Cross multiply
    249,853.84x = 344,798.64 × 136,676.56
  4. Step 4: Simplify right side
    249,853.84x = 47,125,892,007.88
  5. Step 5: Solve for x
    x = 47,125,892,007.88/249,853.84
  6. Step 6: Final answer
    x = 188,613.84

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1.5x scale

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.