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Finding the Fourth Proportional to 273,315.60, 409,681.80 and 104,770.80

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Solution

The fourth proportional to 273,315.60, 409,681.80 and 104,770.80 is: 157,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,315.60 : 409,681.80 = 104,770.80 : x
  2. Step 2: Convert to fraction form
    273,315.60/409,681.80 = 104,770.80/x
  3. Step 3: Cross multiply
    273,315.60x = 409,681.80 × 104,770.80
  4. Step 4: Simplify right side
    273,315.60x = 42,922,689,931.44
  5. Step 5: Solve for x
    x = 42,922,689,931.44/273,315.60
  6. Step 6: Final answer
    x = 157,044.42

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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.