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Finding the Fourth Proportional to 229,312.10, 343,951.95 and 79,516.10

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Solution

The fourth proportional to 229,312.10, 343,951.95 and 79,516.10 is: 119,268.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,312.10 : 343,951.95 = 79,516.10 : x
  2. Step 2: Convert to fraction form
    229,312.10/343,951.95 = 79,516.10/x
  3. Step 3: Cross multiply
    229,312.10x = 343,951.95 × 79,516.10
  4. Step 4: Simplify right side
    229,312.10x = 27,349,717,651.40
  5. Step 5: Solve for x
    x = 27,349,717,651.40/229,312.10
  6. Step 6: Final answer
    x = 119,268.53

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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.