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Finding the Fourth Proportional to 227,117.92, 340,725.48 and 69,358

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Solution

The fourth proportional to 227,117.92, 340,725.48 and 69,358 is: 104,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,117.92 : 340,725.48 = 69,358 : x
  2. Step 2: Convert to fraction form
    227,117.92/340,725.48 = 69,358/x
  3. Step 3: Cross multiply
    227,117.92x = 340,725.48 × 69,358
  4. Step 4: Simplify right side
    227,117.92x = 23,632,037,841.84
  5. Step 5: Solve for x
    x = 23,632,037,841.84/227,117.92
  6. Step 6: Final answer
    x = 104,051.84

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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.