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Finding the Fourth Proportional to 92,509.70, 127,663.29 and 50,068.13

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Solution

The fourth proportional to 92,509.70, 127,663.29 and 50,068.13 is: 69,093.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,509.70 : 127,663.29 = 50,068.13 : x
  2. Step 2: Convert to fraction form
    92,509.70/127,663.29 = 50,068.13/x
  3. Step 3: Cross multiply
    92,509.70x = 127,663.29 × 50,068.13
  4. Step 4: Simplify right side
    92,509.70x = 6,391,861,561.63
  5. Step 5: Solve for x
    x = 6,391,861,561.63/92,509.70
  6. Step 6: Final answer
    x = 69,093.96

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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.