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Finding the Fourth Proportional to 172,683.45, 238,302.95 and 97,232.49

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Solution

The fourth proportional to 172,683.45, 238,302.95 and 97,232.49 is: 134,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,683.45 : 238,302.95 = 97,232.49 : x
  2. Step 2: Convert to fraction form
    172,683.45/238,302.95 = 97,232.49/x
  3. Step 3: Cross multiply
    172,683.45x = 238,302.95 × 97,232.49
  4. Step 4: Simplify right side
    172,683.45x = 23,170,788,716.68
  5. Step 5: Solve for x
    x = 23,170,788,716.68/172,683.45
  6. Step 6: Final answer
    x = 134,180.71

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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.