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Finding the Fourth Proportional to 273,954.56, 378,056.18 and 153,095.81

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Solution

The fourth proportional to 273,954.56, 378,056.18 and 153,095.81 is: 211,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,954.56 : 378,056.18 = 153,095.81 : x
  2. Step 2: Convert to fraction form
    273,954.56/378,056.18 = 153,095.81/x
  3. Step 3: Cross multiply
    273,954.56x = 378,056.18 × 153,095.81
  4. Step 4: Simplify right side
    273,954.56x = 57,878,815,595.06
  5. Step 5: Solve for x
    x = 57,878,815,595.06/273,954.56
  6. Step 6: Final answer
    x = 211,271.59

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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.