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Finding the Fourth Proportional to 202,354.92, 279,252.05 and 111,710.93

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Solution

The fourth proportional to 202,354.92, 279,252.05 and 111,710.93 is: 154,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,354.92 : 279,252.05 = 111,710.93 : x
  2. Step 2: Convert to fraction form
    202,354.92/279,252.05 = 111,710.93/x
  3. Step 3: Cross multiply
    202,354.92x = 279,252.05 × 111,710.93
  4. Step 4: Simplify right side
    202,354.92x = 31,195,506,209.91
  5. Step 5: Solve for x
    x = 31,195,506,209.91/202,354.92
  6. Step 6: Final answer
    x = 154,162.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.