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Finding the Fourth Proportional to 202,276.10, 303,487.05 and 84,032.30

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Solution

The fourth proportional to 202,276.10, 303,487.05 and 84,032.30 is: 126,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,276.10 : 303,487.05 = 84,032.30 : x
  2. Step 2: Convert to fraction form
    202,276.10/303,487.05 = 84,032.30/x
  3. Step 3: Cross multiply
    202,276.10x = 303,487.05 × 84,032.30
  4. Step 4: Simplify right side
    202,276.10x = 25,502,714,831.72
  5. Step 5: Solve for x
    x = 25,502,714,831.72/202,276.10
  6. Step 6: Final answer
    x = 126,078.74

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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.