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Finding the Fourth Proportional to 151,715.80, 227,055.30 and 133,053.40

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Solution

The fourth proportional to 151,715.80, 227,055.30 and 133,053.40 is: 199,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,715.80 : 227,055.30 = 133,053.40 : x
  2. Step 2: Convert to fraction form
    151,715.80/227,055.30 = 133,053.40/x
  3. Step 3: Cross multiply
    151,715.80x = 227,055.30 × 133,053.40
  4. Step 4: Simplify right side
    151,715.80x = 30,210,479,653.02
  5. Step 5: Solve for x
    x = 30,210,479,653.02/151,715.80
  6. Step 6: Final answer
    x = 199,125.47

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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.