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Finding the Fourth Proportional to 102,578.99, 153,570.56 and 59,753.84

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Solution

The fourth proportional to 102,578.99, 153,570.56 and 59,753.84 is: 89,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,578.99 : 153,570.56 = 59,753.84 : x
  2. Step 2: Convert to fraction form
    102,578.99/153,570.56 = 59,753.84/x
  3. Step 3: Cross multiply
    102,578.99x = 153,570.56 × 59,753.84
  4. Step 4: Simplify right side
    102,578.99x = 9,176,429,604.33
  5. Step 5: Solve for x
    x = 9,176,429,604.33/102,578.99
  6. Step 6: Final answer
    x = 89,457.21

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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.