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Finding the Fourth Proportional to 59,742.87, 89,417.44 and 53,181.87

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Solution

The fourth proportional to 59,742.87, 89,417.44 and 53,181.87 is: 79,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,742.87 : 89,417.44 = 53,181.87 : x
  2. Step 2: Convert to fraction form
    59,742.87/89,417.44 = 53,181.87/x
  3. Step 3: Cross multiply
    59,742.87x = 89,417.44 × 53,181.87
  4. Step 4: Simplify right side
    59,742.87x = 4,755,386,669.81
  5. Step 5: Solve for x
    x = 4,755,386,669.81/59,742.87
  6. Step 6: Final answer
    x = 79,597.56

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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.