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Finding the Fourth Proportional to 202,952.20, 304,428.30 and 53,192.20

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Solution

The fourth proportional to 202,952.20, 304,428.30 and 53,192.20 is: 79,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,952.20 : 304,428.30 = 53,192.20 : x
  2. Step 2: Convert to fraction form
    202,952.20/304,428.30 = 53,192.20/x
  3. Step 3: Cross multiply
    202,952.20x = 304,428.30 × 53,192.20
  4. Step 4: Simplify right side
    202,952.20x = 16,193,211,019.26
  5. Step 5: Solve for x
    x = 16,193,211,019.26/202,952.20
  6. Step 6: Final answer
    x = 79,788.30

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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.