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Finding the Fourth Proportional to 89,457.77, 134,203.05 and 36,838.55

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Solution

The fourth proportional to 89,457.77, 134,203.05 and 36,838.55 is: 55,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,457.77 : 134,203.05 = 36,838.55 : x
  2. Step 2: Convert to fraction form
    89,457.77/134,203.05 = 36,838.55/x
  3. Step 3: Cross multiply
    89,457.77x = 134,203.05 × 36,838.55
  4. Step 4: Simplify right side
    89,457.77x = 4,943,845,096.56
  5. Step 5: Solve for x
    x = 4,943,845,096.56/89,457.77
  6. Step 6: Final answer
    x = 55,264.57

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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.