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Finding the Fourth Proportional to 162,129.63, 223,721.88 and 94,133.34

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Solution

The fourth proportional to 162,129.63, 223,721.88 and 94,133.34 is: 129,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,129.63 : 223,721.88 = 94,133.34 : x
  2. Step 2: Convert to fraction form
    162,129.63/223,721.88 = 94,133.34/x
  3. Step 3: Cross multiply
    162,129.63x = 223,721.88 × 94,133.34
  4. Step 4: Simplify right side
    162,129.63x = 21,059,687,795.48
  5. Step 5: Solve for x
    x = 21,059,687,795.48/162,129.63
  6. Step 6: Final answer
    x = 129,894.13

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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.