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Finding the Fourth Proportional to 92,359.39, 127,370.93 and 58,308.72

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Solution

The fourth proportional to 92,359.39, 127,370.93 and 58,308.72 is: 80,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,359.39 : 127,370.93 = 58,308.72 : x
  2. Step 2: Convert to fraction form
    92,359.39/127,370.93 = 58,308.72/x
  3. Step 3: Cross multiply
    92,359.39x = 127,370.93 × 58,308.72
  4. Step 4: Simplify right side
    92,359.39x = 7,426,834,965.11
  5. Step 5: Solve for x
    x = 7,426,834,965.11/92,359.39
  6. Step 6: Final answer
    x = 80,412.34

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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.