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Finding the Fourth Proportional to 109,051.44, 150,486.96 and 60,653.16

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Solution

The fourth proportional to 109,051.44, 150,486.96 and 60,653.16 is: 83,699.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,051.44 : 150,486.96 = 60,653.16 : x
  2. Step 2: Convert to fraction form
    109,051.44/150,486.96 = 60,653.16/x
  3. Step 3: Cross multiply
    109,051.44x = 150,486.96 × 60,653.16
  4. Step 4: Simplify right side
    109,051.44x = 9,127,509,662.79
  5. Step 5: Solve for x
    x = 9,127,509,662.79/109,051.44
  6. Step 6: Final answer
    x = 83,699.12

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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.