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Finding the Fourth Proportional to 341,356.68, 512,035.28 and 116,718.81

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Solution

The fourth proportional to 341,356.68, 512,035.28 and 116,718.81 is: 175,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,356.68 : 512,035.28 = 116,718.81 : x
  2. Step 2: Convert to fraction form
    341,356.68/512,035.28 = 116,718.81/x
  3. Step 3: Cross multiply
    341,356.68x = 512,035.28 × 116,718.81
  4. Step 4: Simplify right side
    341,356.68x = 59,764,148,559.62
  5. Step 5: Solve for x
    x = 59,764,148,559.62/341,356.68
  6. Step 6: Final answer
    x = 175,078.30

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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.