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Finding the Fourth Proportional to 202,290.20, 282,681.40 and 202,290.20

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Solution

The fourth proportional to 202,290.20, 282,681.40 and 202,290.20 is: 282,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,290.20 : 282,681.40 = 202,290.20 : x
  2. Step 2: Convert to fraction form
    202,290.20/282,681.40 = 202,290.20/x
  3. Step 3: Cross multiply
    202,290.20x = 282,681.40 × 202,290.20
  4. Step 4: Simplify right side
    202,290.20x = 57,183,676,942.28
  5. Step 5: Solve for x
    x = 57,183,676,942.28/202,290.20
  6. Step 6: Final answer
    x = 282,681.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.