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Finding the Fourth Proportional to 181,859.16, 272,285.40 and 92,921.16

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Solution

The fourth proportional to 181,859.16, 272,285.40 and 92,921.16 is: 139,124.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,859.16 : 272,285.40 = 92,921.16 : x
  2. Step 2: Convert to fraction form
    181,859.16/272,285.40 = 92,921.16/x
  3. Step 3: Cross multiply
    181,859.16x = 272,285.40 × 92,921.16
  4. Step 4: Simplify right side
    181,859.16x = 25,301,075,219.06
  5. Step 5: Solve for x
    x = 25,301,075,219.06/181,859.16
  6. Step 6: Final answer
    x = 139,124.56

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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.