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Finding the Fourth Proportional to 181,725.66, 272,627.34 and 55,376

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Solution

The fourth proportional to 181,725.66, 272,627.34 and 55,376 is: 83,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,725.66 : 272,627.34 = 55,376 : x
  2. Step 2: Convert to fraction form
    181,725.66/272,627.34 = 55,376/x
  3. Step 3: Cross multiply
    181,725.66x = 272,627.34 × 55,376
  4. Step 4: Simplify right side
    181,725.66x = 15,097,011,579.84
  5. Step 5: Solve for x
    x = 15,097,011,579.84/181,725.66
  6. Step 6: Final answer
    x = 83,075.84

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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.