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Finding the Fourth Proportional to 202,210.30, 303,424.80 and 83,893.60

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Solution

The fourth proportional to 202,210.30, 303,424.80 and 83,893.60 is: 125,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,210.30 : 303,424.80 = 83,893.60 : x
  2. Step 2: Convert to fraction form
    202,210.30/303,424.80 = 83,893.60/x
  3. Step 3: Cross multiply
    202,210.30x = 303,424.80 × 83,893.60
  4. Step 4: Simplify right side
    202,210.30x = 25,455,398,801.28
  5. Step 5: Solve for x
    x = 25,455,398,801.28/202,210.30
  6. Step 6: Final answer
    x = 125,885.77

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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.