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Finding the Fourth Proportional to 175,277.80, 262,916.70 and 147,629.80

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Solution

The fourth proportional to 175,277.80, 262,916.70 and 147,629.80 is: 221,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,277.80 : 262,916.70 = 147,629.80 : x
  2. Step 2: Convert to fraction form
    175,277.80/262,916.70 = 147,629.80/x
  3. Step 3: Cross multiply
    175,277.80x = 262,916.70 × 147,629.80
  4. Step 4: Simplify right side
    175,277.80x = 38,814,339,837.66
  5. Step 5: Solve for x
    x = 38,814,339,837.66/175,277.80
  6. Step 6: Final answer
    x = 221,444.70

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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.