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Finding the Fourth Proportional to 172,419.84, 237,937.10 and 96,968.34

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Solution

The fourth proportional to 172,419.84, 237,937.10 and 96,968.34 is: 133,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,419.84 : 237,937.10 = 96,968.34 : x
  2. Step 2: Convert to fraction form
    172,419.84/237,937.10 = 96,968.34/x
  3. Step 3: Cross multiply
    172,419.84x = 237,937.10 × 96,968.34
  4. Step 4: Simplify right side
    172,419.84x = 23,072,365,126.57
  5. Step 5: Solve for x
    x = 23,072,365,126.57/172,419.84
  6. Step 6: Final answer
    x = 133,815.02

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1.5x scale

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.