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Finding the Fourth Proportional to 202,296.40, 303,116.55 and 127,282.30

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Solution

The fourth proportional to 202,296.40, 303,116.55 and 127,282.30 is: 190,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,296.40 : 303,116.55 = 127,282.30 : x
  2. Step 2: Convert to fraction form
    202,296.40/303,116.55 = 127,282.30/x
  3. Step 3: Cross multiply
    202,296.40x = 303,116.55 × 127,282.30
  4. Step 4: Simplify right side
    202,296.40x = 38,581,371,652.07
  5. Step 5: Solve for x
    x = 38,581,371,652.07/202,296.40
  6. Step 6: Final answer
    x = 190,717.05

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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.