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Finding the Fourth Proportional to 181,637.64, 250,661.16 and 101,068.56

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Solution

The fourth proportional to 181,637.64, 250,661.16 and 101,068.56 is: 139,475.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,637.64 : 250,661.16 = 101,068.56 : x
  2. Step 2: Convert to fraction form
    181,637.64/250,661.16 = 101,068.56/x
  3. Step 3: Cross multiply
    181,637.64x = 250,661.16 × 101,068.56
  4. Step 4: Simplify right side
    181,637.64x = 25,333,962,489.13
  5. Step 5: Solve for x
    x = 25,333,962,489.13/181,637.64
  6. Step 6: Final answer
    x = 139,475.29

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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.