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Finding the Fourth Proportional to 92,699.64, 127,917.63 and 52,407.81

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Solution

The fourth proportional to 92,699.64, 127,917.63 and 52,407.81 is: 72,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,699.64 : 127,917.63 = 52,407.81 : x
  2. Step 2: Convert to fraction form
    92,699.64/127,917.63 = 52,407.81/x
  3. Step 3: Cross multiply
    92,699.64x = 127,917.63 × 52,407.81
  4. Step 4: Simplify right side
    92,699.64x = 6,703,882,848.69
  5. Step 5: Solve for x
    x = 6,703,882,848.69/92,699.64
  6. Step 6: Final answer
    x = 72,318.33

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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.