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Finding the Fourth Proportional to 225,253.34, 310,818.84 and 134,590.04

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Solution

The fourth proportional to 225,253.34, 310,818.84 and 134,590.04 is: 185,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,253.34 : 310,818.84 = 134,590.04 : x
  2. Step 2: Convert to fraction form
    225,253.34/310,818.84 = 134,590.04/x
  3. Step 3: Cross multiply
    225,253.34x = 310,818.84 × 134,590.04
  4. Step 4: Simplify right side
    225,253.34x = 41,833,120,108.35
  5. Step 5: Solve for x
    x = 41,833,120,108.35/225,253.34
  6. Step 6: Final answer
    x = 185,715.87

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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.