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Finding the Fourth Proportional to 58,809.77, 88,128.53 and 29,168.42

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Solution

The fourth proportional to 58,809.77, 88,128.53 and 29,168.42 is: 43,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,809.77 : 88,128.53 = 29,168.42 : x
  2. Step 2: Convert to fraction form
    58,809.77/88,128.53 = 29,168.42/x
  3. Step 3: Cross multiply
    58,809.77x = 88,128.53 × 29,168.42
  4. Step 4: Simplify right side
    58,809.77x = 2,570,569,390.54
  5. Step 5: Solve for x
    x = 2,570,569,390.54/58,809.77
  6. Step 6: Final answer
    x = 43,709.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.