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Finding the Fourth Proportional to 104,558.32, 144,302.84 and 62,117

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Solution

The fourth proportional to 104,558.32, 144,302.84 and 62,117 is: 85,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,558.32 : 144,302.84 = 62,117 : x
  2. Step 2: Convert to fraction form
    104,558.32/144,302.84 = 62,117/x
  3. Step 3: Cross multiply
    104,558.32x = 144,302.84 × 62,117
  4. Step 4: Simplify right side
    104,558.32x = 8,963,659,512.28
  5. Step 5: Solve for x
    x = 8,963,659,512.28/104,558.32
  6. Step 6: Final answer
    x = 85,728.80

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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.