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Finding the Fourth Proportional to 64,585.56, 96,878.22 and 17,200.68

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Solution

The fourth proportional to 64,585.56, 96,878.22 and 17,200.68 is: 25,800.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,585.56 : 96,878.22 = 17,200.68 : x
  2. Step 2: Convert to fraction form
    64,585.56/96,878.22 = 17,200.68/x
  3. Step 3: Cross multiply
    64,585.56x = 96,878.22 × 17,200.68
  4. Step 4: Simplify right side
    64,585.56x = 1,666,371,261.19
  5. Step 5: Solve for x
    x = 1,666,371,261.19/64,585.56
  6. Step 6: Final answer
    x = 25,800.99

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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.