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Finding the Fourth Proportional to 169,259.40, 253,901.88 and 56,939.94

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Solution

The fourth proportional to 169,259.40, 253,901.88 and 56,939.94 is: 85,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,259.40 : 253,901.88 = 56,939.94 : x
  2. Step 2: Convert to fraction form
    169,259.40/253,901.88 = 56,939.94/x
  3. Step 3: Cross multiply
    169,259.40x = 253,901.88 × 56,939.94
  4. Step 4: Simplify right side
    169,259.40x = 14,457,157,813.09
  5. Step 5: Solve for x
    x = 14,457,157,813.09/169,259.40
  6. Step 6: Final answer
    x = 85,414.21

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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.