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Finding the Fourth Proportional to 84,696.94, 127,019.40 and 58,569.58

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Solution

The fourth proportional to 84,696.94, 127,019.40 and 58,569.58 is: 87,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,696.94 : 127,019.40 = 58,569.58 : x
  2. Step 2: Convert to fraction form
    84,696.94/127,019.40 = 58,569.58/x
  3. Step 3: Cross multiply
    84,696.94x = 127,019.40 × 58,569.58
  4. Step 4: Simplify right side
    84,696.94x = 7,439,472,909.85
  5. Step 5: Solve for x
    x = 7,439,472,909.85/84,696.94
  6. Step 6: Final answer
    x = 87,836.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.