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Finding the Fourth Proportional to 151,643.53, 227,505.59 and 51,803.54

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Solution

The fourth proportional to 151,643.53, 227,505.59 and 51,803.54 is: 77,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,643.53 : 227,505.59 = 51,803.54 : x
  2. Step 2: Convert to fraction form
    151,643.53/227,505.59 = 51,803.54/x
  3. Step 3: Cross multiply
    151,643.53x = 227,505.59 × 51,803.54
  4. Step 4: Simplify right side
    151,643.53x = 11,785,594,931.79
  5. Step 5: Solve for x
    x = 11,785,594,931.79/151,643.53
  6. Step 6: Final answer
    x = 77,719.08

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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.