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Finding the Fourth Proportional to 108,652.84, 150,005.45 and 68,401.10

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Solution

The fourth proportional to 108,652.84, 150,005.45 and 68,401.10 is: 94,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,652.84 : 150,005.45 = 68,401.10 : x
  2. Step 2: Convert to fraction form
    108,652.84/150,005.45 = 68,401.10/x
  3. Step 3: Cross multiply
    108,652.84x = 150,005.45 × 68,401.10
  4. Step 4: Simplify right side
    108,652.84x = 10,260,537,786.00
  5. Step 5: Solve for x
    x = 10,260,537,786.00/108,652.84
  6. Step 6: Final answer
    x = 94,434.14

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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.