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Finding the Fourth Proportional to 108,590.32, 149,858.94 and 60,844.06

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Solution

The fourth proportional to 108,590.32, 149,858.94 and 60,844.06 is: 83,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,590.32 : 149,858.94 = 60,844.06 : x
  2. Step 2: Convert to fraction form
    108,590.32/149,858.94 = 60,844.06/x
  3. Step 3: Cross multiply
    108,590.32x = 149,858.94 × 60,844.06
  4. Step 4: Simplify right side
    108,590.32x = 9,118,026,336.90
  5. Step 5: Solve for x
    x = 9,118,026,336.90/108,590.32
  6. Step 6: Final answer
    x = 83,967.21

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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.