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Finding the Fourth Proportional to 162,972, 224,914.32 and 95,916.96

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Solution

The fourth proportional to 162,972, 224,914.32 and 95,916.96 is: 132,373.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,972 : 224,914.32 = 95,916.96 : x
  2. Step 2: Convert to fraction form
    162,972/224,914.32 = 95,916.96/x
  3. Step 3: Cross multiply
    162,972x = 224,914.32 × 95,916.96
  4. Step 4: Simplify right side
    162,972x = 21,573,097,834.87
  5. Step 5: Solve for x
    x = 21,573,097,834.87/162,972
  6. Step 6: Final answer
    x = 132,373.03

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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.