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Finding the Fourth Proportional to 89,653.66, 134,499.78 and 44,699.50

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Solution

The fourth proportional to 89,653.66, 134,499.78 and 44,699.50 is: 67,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,653.66 : 134,499.78 = 44,699.50 : x
  2. Step 2: Convert to fraction form
    89,653.66/134,499.78 = 44,699.50/x
  3. Step 3: Cross multiply
    89,653.66x = 134,499.78 × 44,699.50
  4. Step 4: Simplify right side
    89,653.66x = 6,012,072,916.11
  5. Step 5: Solve for x
    x = 6,012,072,916.11/89,653.66
  6. Step 6: Final answer
    x = 67,058.87

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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.