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Finding the Fourth Proportional to 273,028.72, 376,810.14 and 152,181.04

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Solution

The fourth proportional to 273,028.72, 376,810.14 and 152,181.04 is: 210,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,028.72 : 376,810.14 = 152,181.04 : x
  2. Step 2: Convert to fraction form
    273,028.72/376,810.14 = 152,181.04/x
  3. Step 3: Cross multiply
    273,028.72x = 376,810.14 × 152,181.04
  4. Step 4: Simplify right side
    273,028.72x = 57,343,358,987.75
  5. Step 5: Solve for x
    x = 57,343,358,987.75/273,028.72
  6. Step 6: Final answer
    x = 210,026.84

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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.