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Finding the Fourth Proportional to 202,345.90, 303,555.30 and 84,029.20

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Solution

The fourth proportional to 202,345.90, 303,555.30 and 84,029.20 is: 126,058.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,345.90 : 303,555.30 = 84,029.20 : x
  2. Step 2: Convert to fraction form
    202,345.90/303,555.30 = 84,029.20/x
  3. Step 3: Cross multiply
    202,345.90x = 303,555.30 × 84,029.20
  4. Step 4: Simplify right side
    202,345.90x = 25,507,509,014.76
  5. Step 5: Solve for x
    x = 25,507,509,014.76/202,345.90
  6. Step 6: Final answer
    x = 126,058.94

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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.