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Finding the Fourth Proportional to 104,580.51, 144,322.02 and 56,833.86

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Solution

The fourth proportional to 104,580.51, 144,322.02 and 56,833.86 is: 78,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,580.51 : 144,322.02 = 56,833.86 : x
  2. Step 2: Convert to fraction form
    104,580.51/144,322.02 = 56,833.86/x
  3. Step 3: Cross multiply
    104,580.51x = 144,322.02 × 56,833.86
  4. Step 4: Simplify right side
    104,580.51x = 8,202,377,479.60
  5. Step 5: Solve for x
    x = 8,202,377,479.60/104,580.51
  6. Step 6: Final answer
    x = 78,431.22

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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.