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Finding the Fourth Proportional to 200,525.30, 300,806.51 and 65,590.14

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Solution

The fourth proportional to 200,525.30, 300,806.51 and 65,590.14 is: 98,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,525.30 : 300,806.51 = 65,590.14 : x
  2. Step 2: Convert to fraction form
    200,525.30/300,806.51 = 65,590.14/x
  3. Step 3: Cross multiply
    200,525.30x = 300,806.51 × 65,590.14
  4. Step 4: Simplify right side
    200,525.30x = 19,729,941,103.81
  5. Step 5: Solve for x
    x = 19,729,941,103.81/200,525.30
  6. Step 6: Final answer
    x = 98,391.28

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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.