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Finding the Fourth Proportional to 202,681.44, 304,130.57 and 131,587.34

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Solution

The fourth proportional to 202,681.44, 304,130.57 and 131,587.34 is: 197,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,681.44 : 304,130.57 = 131,587.34 : x
  2. Step 2: Convert to fraction form
    202,681.44/304,130.57 = 131,587.34/x
  3. Step 3: Cross multiply
    202,681.44x = 304,130.57 × 131,587.34
  4. Step 4: Simplify right side
    202,681.44x = 40,019,730,540.39
  5. Step 5: Solve for x
    x = 40,019,730,540.39/202,681.44
  6. Step 6: Final answer
    x = 197,451.38

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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.