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Finding the Fourth Proportional to 111,054.08, 153,255.84 and 60,752

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Solution

The fourth proportional to 111,054.08, 153,255.84 and 60,752 is: 83,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,054.08 : 153,255.84 = 60,752 : x
  2. Step 2: Convert to fraction form
    111,054.08/153,255.84 = 60,752/x
  3. Step 3: Cross multiply
    111,054.08x = 153,255.84 × 60,752
  4. Step 4: Simplify right side
    111,054.08x = 9,310,598,791.68
  5. Step 5: Solve for x
    x = 9,310,598,791.68/111,054.08
  6. Step 6: Final answer
    x = 83,838.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.