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Finding the Fourth Proportional to 169,563.45, 234,008.63 and 97,946.49

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Solution

The fourth proportional to 169,563.45, 234,008.63 and 97,946.49 is: 135,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,563.45 : 234,008.63 = 97,946.49 : x
  2. Step 2: Convert to fraction form
    169,563.45/234,008.63 = 97,946.49/x
  3. Step 3: Cross multiply
    169,563.45x = 234,008.63 × 97,946.49
  4. Step 4: Simplify right side
    169,563.45x = 22,920,323,448.48
  5. Step 5: Solve for x
    x = 22,920,323,448.48/169,563.45
  6. Step 6: Final answer
    x = 135,172.55

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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.