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Finding the Fourth Proportional to 342,850.89, 514,177.02 and 102,955.11

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Solution

The fourth proportional to 342,850.89, 514,177.02 and 102,955.11 is: 154,402.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,850.89 : 514,177.02 = 102,955.11 : x
  2. Step 2: Convert to fraction form
    342,850.89/514,177.02 = 102,955.11/x
  3. Step 3: Cross multiply
    342,850.89x = 514,177.02 × 102,955.11
  4. Step 4: Simplify right side
    342,850.89x = 52,937,151,653.57
  5. Step 5: Solve for x
    x = 52,937,151,653.57/342,850.89
  6. Step 6: Final answer
    x = 154,402.84

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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.