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Finding the Fourth Proportional to 108,710.70, 163,066.05 and 97,824.30

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Solution

The fourth proportional to 108,710.70, 163,066.05 and 97,824.30 is: 146,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,710.70 : 163,066.05 = 97,824.30 : x
  2. Step 2: Convert to fraction form
    108,710.70/163,066.05 = 97,824.30/x
  3. Step 3: Cross multiply
    108,710.70x = 163,066.05 × 97,824.30
  4. Step 4: Simplify right side
    108,710.70x = 15,951,822,195.02
  5. Step 5: Solve for x
    x = 15,951,822,195.02/108,710.70
  6. Step 6: Final answer
    x = 146,736.45

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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.