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Finding the Fourth Proportional to 169,903.98, 254,696.81 and 57,505.55

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Solution

The fourth proportional to 169,903.98, 254,696.81 and 57,505.55 is: 86,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,903.98 : 254,696.81 = 57,505.55 : x
  2. Step 2: Convert to fraction form
    169,903.98/254,696.81 = 57,505.55/x
  3. Step 3: Cross multiply
    169,903.98x = 254,696.81 × 57,505.55
  4. Step 4: Simplify right side
    169,903.98x = 14,646,478,581.28
  5. Step 5: Solve for x
    x = 14,646,478,581.28/169,903.98
  6. Step 6: Final answer
    x = 86,204.45

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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.