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Finding the Fourth Proportional to 358,717.08, 537,888.79 and 133,892.64

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Solution

The fourth proportional to 358,717.08, 537,888.79 and 133,892.64 is: 200,769.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,717.08 : 537,888.79 = 133,892.64 : x
  2. Step 2: Convert to fraction form
    358,717.08/537,888.79 = 133,892.64/x
  3. Step 3: Cross multiply
    358,717.08x = 537,888.79 × 133,892.64
  4. Step 4: Simplify right side
    358,717.08x = 72,019,350,119.51
  5. Step 5: Solve for x
    x = 72,019,350,119.51/358,717.08
  6. Step 6: Final answer
    x = 200,769.22

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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.