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Finding the Fourth Proportional to 162,812.52, 224,688.20 and 94,818.56

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Solution

The fourth proportional to 162,812.52, 224,688.20 and 94,818.56 is: 130,853.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,812.52 : 224,688.20 = 94,818.56 : x
  2. Step 2: Convert to fraction form
    162,812.52/224,688.20 = 94,818.56/x
  3. Step 3: Cross multiply
    162,812.52x = 224,688.20 × 94,818.56
  4. Step 4: Simplify right side
    162,812.52x = 21,304,609,975.46
  5. Step 5: Solve for x
    x = 21,304,609,975.46/162,812.52
  6. Step 6: Final answer
    x = 130,853.63

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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.