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Finding the Fourth Proportional to 162,397.14, 223,904.13 and 124,203.54

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Solution

The fourth proportional to 162,397.14, 223,904.13 and 124,203.54 is: 171,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,397.14 : 223,904.13 = 124,203.54 : x
  2. Step 2: Convert to fraction form
    162,397.14/223,904.13 = 124,203.54/x
  3. Step 3: Cross multiply
    162,397.14x = 223,904.13 × 124,203.54
  4. Step 4: Simplify right side
    162,397.14x = 27,809,685,566.62
  5. Step 5: Solve for x
    x = 27,809,685,566.62/162,397.14
  6. Step 6: Final answer
    x = 171,244.92

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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.