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Finding the Fourth Proportional to 64,111, 96,154.62 and 17,357.80

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Solution

The fourth proportional to 64,111, 96,154.62 and 17,357.80 is: 26,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,111 : 96,154.62 = 17,357.80 : x
  2. Step 2: Convert to fraction form
    64,111/96,154.62 = 17,357.80/x
  3. Step 3: Cross multiply
    64,111x = 96,154.62 × 17,357.80
  4. Step 4: Simplify right side
    64,111x = 1,669,032,663.04
  5. Step 5: Solve for x
    x = 1,669,032,663.04/64,111
  6. Step 6: Final answer
    x = 26,033.48

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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.