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Finding the Fourth Proportional to 59,457.28, 89,190.78 and 29,859.88

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Solution

The fourth proportional to 59,457.28, 89,190.78 and 29,859.88 is: 44,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,457.28 : 89,190.78 = 29,859.88 : x
  2. Step 2: Convert to fraction form
    59,457.28/89,190.78 = 29,859.88/x
  3. Step 3: Cross multiply
    59,457.28x = 89,190.78 × 29,859.88
  4. Step 4: Simplify right side
    59,457.28x = 2,663,225,987.91
  5. Step 5: Solve for x
    x = 2,663,225,987.91/59,457.28
  6. Step 6: Final answer
    x = 44,792.26

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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.