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Finding the Fourth Proportional to 169,117.64, 253,676.29 and 69,278.02

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Solution

The fourth proportional to 169,117.64, 253,676.29 and 69,278.02 is: 103,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,117.64 : 253,676.29 = 69,278.02 : x
  2. Step 2: Convert to fraction form
    169,117.64/253,676.29 = 69,278.02/x
  3. Step 3: Cross multiply
    169,117.64x = 253,676.29 × 69,278.02
  4. Step 4: Simplify right side
    169,117.64x = 17,574,191,092.15
  5. Step 5: Solve for x
    x = 17,574,191,092.15/169,117.64
  6. Step 6: Final answer
    x = 103,916.96

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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.