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Finding the Fourth Proportional to 169,648.43, 254,368.15 and 57,318.03

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Solution

The fourth proportional to 169,648.43, 254,368.15 and 57,318.03 is: 85,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,648.43 : 254,368.15 = 57,318.03 : x
  2. Step 2: Convert to fraction form
    169,648.43/254,368.15 = 57,318.03/x
  3. Step 3: Cross multiply
    169,648.43x = 254,368.15 × 57,318.03
  4. Step 4: Simplify right side
    169,648.43x = 14,579,881,109.45
  5. Step 5: Solve for x
    x = 14,579,881,109.45/169,648.43
  6. Step 6: Final answer
    x = 85,941.74

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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.