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Finding the Fourth Proportional to 84,844.61, 127,294.59 and 40,465.59

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Solution

The fourth proportional to 84,844.61, 127,294.59 and 40,465.59 is: 60,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,844.61 : 127,294.59 = 40,465.59 : x
  2. Step 2: Convert to fraction form
    84,844.61/127,294.59 = 40,465.59/x
  3. Step 3: Cross multiply
    84,844.61x = 127,294.59 × 40,465.59
  4. Step 4: Simplify right side
    84,844.61x = 5,151,051,237.70
  5. Step 5: Solve for x
    x = 5,151,051,237.70/84,844.61
  6. Step 6: Final answer
    x = 60,711.59

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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.