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Finding the Fourth Proportional to 188,043.20, 282,064.80 and 174,921.20

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Solution

The fourth proportional to 188,043.20, 282,064.80 and 174,921.20 is: 262,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,043.20 : 282,064.80 = 174,921.20 : x
  2. Step 2: Convert to fraction form
    188,043.20/282,064.80 = 174,921.20/x
  3. Step 3: Cross multiply
    188,043.20x = 282,064.80 × 174,921.20
  4. Step 4: Simplify right side
    188,043.20x = 49,339,113,293.76
  5. Step 5: Solve for x
    x = 49,339,113,293.76/188,043.20
  6. Step 6: Final answer
    x = 262,381.80

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1.5x scale

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.