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Finding the Fourth Proportional to 84,294.95, 116,326.94 and 48,484.04

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Solution

The fourth proportional to 84,294.95, 116,326.94 and 48,484.04 is: 66,907.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,294.95 : 116,326.94 = 48,484.04 : x
  2. Step 2: Convert to fraction form
    84,294.95/116,326.94 = 48,484.04/x
  3. Step 3: Cross multiply
    84,294.95x = 116,326.94 × 48,484.04
  4. Step 4: Simplify right side
    84,294.95x = 5,639,999,187.98
  5. Step 5: Solve for x
    x = 5,639,999,187.98/84,294.95
  6. Step 6: Final answer
    x = 66,907.92

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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.