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Finding the Fourth Proportional to 64,559.52, 96,878.16 and 25,135.20

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Solution

The fourth proportional to 64,559.52, 96,878.16 and 25,135.20 is: 37,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,559.52 : 96,878.16 = 25,135.20 : x
  2. Step 2: Convert to fraction form
    64,559.52/96,878.16 = 25,135.20/x
  3. Step 3: Cross multiply
    64,559.52x = 96,878.16 × 25,135.20
  4. Step 4: Simplify right side
    64,559.52x = 2,435,051,927.23
  5. Step 5: Solve for x
    x = 2,435,051,927.23/64,559.52
  6. Step 6: Final answer
    x = 37,717.94

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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.