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Finding the Fourth Proportional to 68,602.39, 94,641.64 and 48,476.52

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Solution

The fourth proportional to 68,602.39, 94,641.64 and 48,476.52 is: 66,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,602.39 : 94,641.64 = 48,476.52 : x
  2. Step 2: Convert to fraction form
    68,602.39/94,641.64 = 48,476.52/x
  3. Step 3: Cross multiply
    68,602.39x = 94,641.64 × 48,476.52
  4. Step 4: Simplify right side
    68,602.39x = 4,587,897,111.91
  5. Step 5: Solve for x
    x = 4,587,897,111.91/68,602.39
  6. Step 6: Final answer
    x = 66,876.64

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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.