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Finding the Fourth Proportional to 163,068.71, 224,992.05 and 94,141.31

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Solution

The fourth proportional to 163,068.71, 224,992.05 and 94,141.31 is: 129,890.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,068.71 : 224,992.05 = 94,141.31 : x
  2. Step 2: Convert to fraction form
    163,068.71/224,992.05 = 94,141.31/x
  3. Step 3: Cross multiply
    163,068.71x = 224,992.05 × 94,141.31
  4. Step 4: Simplify right side
    163,068.71x = 21,181,046,326.59
  5. Step 5: Solve for x
    x = 21,181,046,326.59/163,068.71
  6. Step 6: Final answer
    x = 129,890.32

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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.