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Finding the Fourth Proportional to 169,420.92, 254,153.43 and 51,104.22

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Solution

The fourth proportional to 169,420.92, 254,153.43 and 51,104.22 is: 76,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,420.92 : 254,153.43 = 51,104.22 : x
  2. Step 2: Convert to fraction form
    169,420.92/254,153.43 = 51,104.22/x
  3. Step 3: Cross multiply
    169,420.92x = 254,153.43 × 51,104.22
  4. Step 4: Simplify right side
    169,420.92x = 12,988,312,800.47
  5. Step 5: Solve for x
    x = 12,988,312,800.47/169,420.92
  6. Step 6: Final answer
    x = 76,662.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.