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Finding the Fourth Proportional to 150,646.78, 207,885.54 and 82,662.22

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Solution

The fourth proportional to 150,646.78, 207,885.54 and 82,662.22 is: 114,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,646.78 : 207,885.54 = 82,662.22 : x
  2. Step 2: Convert to fraction form
    150,646.78/207,885.54 = 82,662.22/x
  3. Step 3: Cross multiply
    150,646.78x = 207,885.54 × 82,662.22
  4. Step 4: Simplify right side
    150,646.78x = 17,184,280,242.30
  5. Step 5: Solve for x
    x = 17,184,280,242.30/150,646.78
  6. Step 6: Final answer
    x = 114,070.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.