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Finding the Fourth Proportional to 92,495.27, 127,643.79 and 50,053.79

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Solution

The fourth proportional to 92,495.27, 127,643.79 and 50,053.79 is: 69,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,495.27 : 127,643.79 = 50,053.79 : x
  2. Step 2: Convert to fraction form
    92,495.27/127,643.79 = 50,053.79/x
  3. Step 3: Cross multiply
    92,495.27x = 127,643.79 × 50,053.79
  4. Step 4: Simplify right side
    92,495.27x = 6,389,055,459.46
  5. Step 5: Solve for x
    x = 6,389,055,459.46/92,495.27
  6. Step 6: Final answer
    x = 69,074.40

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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.