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Finding the Fourth Proportional to 144,714.51, 199,706.63 and 84,326.58

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Solution

The fourth proportional to 144,714.51, 199,706.63 and 84,326.58 is: 116,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,714.51 : 199,706.63 = 84,326.58 : x
  2. Step 2: Convert to fraction form
    144,714.51/199,706.63 = 84,326.58/x
  3. Step 3: Cross multiply
    144,714.51x = 199,706.63 × 84,326.58
  4. Step 4: Simplify right side
    144,714.51x = 16,840,576,689.59
  5. Step 5: Solve for x
    x = 16,840,576,689.59/144,714.51
  6. Step 6: Final answer
    x = 116,371.03

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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.