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Finding the Fourth Proportional to 169,345.80, 253,927.96 and 56,988.68

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Solution

The fourth proportional to 169,345.80, 253,927.96 and 56,988.68 is: 85,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,345.80 : 253,927.96 = 56,988.68 : x
  2. Step 2: Convert to fraction form
    169,345.80/253,927.96 = 56,988.68/x
  3. Step 3: Cross multiply
    169,345.80x = 253,927.96 × 56,988.68
  4. Step 4: Simplify right side
    169,345.80x = 14,471,019,255.49
  5. Step 5: Solve for x
    x = 14,471,019,255.49/169,345.80
  6. Step 6: Final answer
    x = 85,452.48

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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.