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Finding the Fourth Proportional to 111,412.40, 167,128.32 and 41,292.32

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Solution

The fourth proportional to 111,412.40, 167,128.32 and 41,292.32 is: 61,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,412.40 : 167,128.32 = 41,292.32 : x
  2. Step 2: Convert to fraction form
    111,412.40/167,128.32 = 41,292.32/x
  3. Step 3: Cross multiply
    111,412.40x = 167,128.32 × 41,292.32
  4. Step 4: Simplify right side
    111,412.40x = 6,901,116,070.50
  5. Step 5: Solve for x
    x = 6,901,116,070.50/111,412.40
  6. Step 6: Final answer
    x = 61,942.08

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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.