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Finding the Fourth Proportional to 92,594.85, 127,664.76 and 75,581.81

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Solution

The fourth proportional to 92,594.85, 127,664.76 and 75,581.81 is: 104,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,594.85 : 127,664.76 = 75,581.81 : x
  2. Step 2: Convert to fraction form
    92,594.85/127,664.76 = 75,581.81/x
  3. Step 3: Cross multiply
    92,594.85x = 127,664.76 × 75,581.81
  4. Step 4: Simplify right side
    92,594.85x = 9,649,133,332.72
  5. Step 5: Solve for x
    x = 9,649,133,332.72/92,594.85
  6. Step 6: Final answer
    x = 104,208.10

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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.