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Finding the Fourth Proportional to 118,634.68, 163,714.63 and 67,655.71

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Solution

The fourth proportional to 118,634.68, 163,714.63 and 67,655.71 is: 93,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,634.68 : 163,714.63 = 67,655.71 : x
  2. Step 2: Convert to fraction form
    118,634.68/163,714.63 = 67,655.71/x
  3. Step 3: Cross multiply
    118,634.68x = 163,714.63 × 67,655.71
  4. Step 4: Simplify right side
    118,634.68x = 11,076,229,530.04
  5. Step 5: Solve for x
    x = 11,076,229,530.04/118,634.68
  6. Step 6: Final answer
    x = 93,364.18

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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.