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Finding the Fourth Proportional to 169,868.68, 254,803.56 and 51,541

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Solution

The fourth proportional to 169,868.68, 254,803.56 and 51,541 is: 77,311.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,868.68 : 254,803.56 = 51,541 : x
  2. Step 2: Convert to fraction form
    169,868.68/254,803.56 = 51,541/x
  3. Step 3: Cross multiply
    169,868.68x = 254,803.56 × 51,541
  4. Step 4: Simplify right side
    169,868.68x = 13,132,830,285.96
  5. Step 5: Solve for x
    x = 13,132,830,285.96/169,868.68
  6. Step 6: Final answer
    x = 77,311.66

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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.