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Finding the Fourth Proportional to 172,806.80, 238,487.56 and 97,360.40

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Solution

The fourth proportional to 172,806.80, 238,487.56 and 97,360.40 is: 134,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,806.80 : 238,487.56 = 97,360.40 : x
  2. Step 2: Convert to fraction form
    172,806.80/238,487.56 = 97,360.40/x
  3. Step 3: Cross multiply
    172,806.80x = 238,487.56 × 97,360.40
  4. Step 4: Simplify right side
    172,806.80x = 23,219,244,236.62
  5. Step 5: Solve for x
    x = 23,219,244,236.62/172,806.80
  6. Step 6: Final answer
    x = 134,365.34

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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.