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Finding the Fourth Proportional to 114,018.29, 170,192.44 and 100,551.50

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Solution

The fourth proportional to 114,018.29, 170,192.44 and 100,551.50 is: 150,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,018.29 : 170,192.44 = 100,551.50 : x
  2. Step 2: Convert to fraction form
    114,018.29/170,192.44 = 100,551.50/x
  3. Step 3: Cross multiply
    114,018.29x = 170,192.44 × 100,551.50
  4. Step 4: Simplify right side
    114,018.29x = 17,113,105,130.66
  5. Step 5: Solve for x
    x = 17,113,105,130.66/114,018.29
  6. Step 6: Final answer
    x = 150,090.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.