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Finding the Fourth Proportional to 64,110, 96,153.12 and 17,356.80

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Solution

The fourth proportional to 64,110, 96,153.12 and 17,356.80 is: 26,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,110 : 96,153.12 = 17,356.80 : x
  2. Step 2: Convert to fraction form
    64,110/96,153.12 = 17,356.80/x
  3. Step 3: Cross multiply
    64,110x = 96,153.12 × 17,356.80
  4. Step 4: Simplify right side
    64,110x = 1,668,910,473.22
  5. Step 5: Solve for x
    x = 1,668,910,473.22/64,110
  6. Step 6: Final answer
    x = 26,031.98

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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.