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Finding the Fourth Proportional to 273,957.56, 378,060.32 and 153,098.81

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Solution

The fourth proportional to 273,957.56, 378,060.32 and 153,098.81 is: 211,275.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,957.56 : 378,060.32 = 153,098.81 : x
  2. Step 2: Convert to fraction form
    273,957.56/378,060.32 = 153,098.81/x
  3. Step 3: Cross multiply
    273,957.56x = 378,060.32 × 153,098.81
  4. Step 4: Simplify right side
    273,957.56x = 57,880,582,444.42
  5. Step 5: Solve for x
    x = 57,880,582,444.42/273,957.56
  6. Step 6: Final answer
    x = 211,275.73

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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.