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Finding the Fourth Proportional to 64,164, 96,244.38 and 17,415.66

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Solution

The fourth proportional to 64,164, 96,244.38 and 17,415.66 is: 26,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,164 : 96,244.38 = 17,415.66 : x
  2. Step 2: Convert to fraction form
    64,164/96,244.38 = 17,415.66/x
  3. Step 3: Cross multiply
    64,164x = 96,244.38 × 17,415.66
  4. Step 4: Simplify right side
    64,164x = 1,676,159,398.99
  5. Step 5: Solve for x
    x = 1,676,159,398.99/64,164
  6. Step 6: Final answer
    x = 26,123.05

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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.