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Finding the Fourth Proportional to 84,833.80, 127,302.70 and 34,937.80

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Solution

The fourth proportional to 84,833.80, 127,302.70 and 34,937.80 is: 52,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,833.80 : 127,302.70 = 34,937.80 : x
  2. Step 2: Convert to fraction form
    84,833.80/127,302.70 = 34,937.80/x
  3. Step 3: Cross multiply
    84,833.80x = 127,302.70 × 34,937.80
  4. Step 4: Simplify right side
    84,833.80x = 4,447,676,272.06
  5. Step 5: Solve for x
    x = 4,447,676,272.06/84,833.80
  6. Step 6: Final answer
    x = 52,428.12

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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.