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Finding the Fourth Proportional to 108,500.12, 162,799.32 and 64,213.28

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Solution

The fourth proportional to 108,500.12, 162,799.32 and 64,213.28 is: 96,349.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,500.12 : 162,799.32 = 64,213.28 : x
  2. Step 2: Convert to fraction form
    108,500.12/162,799.32 = 64,213.28/x
  3. Step 3: Cross multiply
    108,500.12x = 162,799.32 × 64,213.28
  4. Step 4: Simplify right side
    108,500.12x = 10,453,878,318.97
  5. Step 5: Solve for x
    x = 10,453,878,318.97/108,500.12
  6. Step 6: Final answer
    x = 96,349.00

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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.