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Finding the Fourth Proportional to 172,511.68, 238,063.68 and 97,060

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Solution

The fourth proportional to 172,511.68, 238,063.68 and 97,060 is: 133,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,511.68 : 238,063.68 = 97,060 : x
  2. Step 2: Convert to fraction form
    172,511.68/238,063.68 = 97,060/x
  3. Step 3: Cross multiply
    172,511.68x = 238,063.68 × 97,060
  4. Step 4: Simplify right side
    172,511.68x = 23,106,460,780.80
  5. Step 5: Solve for x
    x = 23,106,460,780.80/172,511.68
  6. Step 6: Final answer
    x = 133,941.43

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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.